Sync from development - prepare for v0.1.6.2

CHANGELOG.md

@@ -1,5 +1,34 @@
 # Jackify Changelog
 
+## v0.1.6.2 - Minor Bug Fixes
+**Release Date:** October 23, 2025
+
+### Bug Fixes
+- **Improved dotnet4.x Compatibility**: Universal registry fixes for better modlist compatibility
+- **Fixed Proton 9 Override**: A bug meant that modlists with spaces in the name weren't being overridden correctly
+- **Removed PageFileManager Plugin**: Eliminates Linux PageFile warnings
+
+---
+
+## v0.1.6.1 - Fix dotnet40 install and expand Game Proton override
+**Release Date:** October 21, 2025
+
+### Bug Fixes
+- **Fixed dotnet40 Installation Failures**: Resolved widespread .NET Framework installation issues affecting multiple modlists
+- **Added Lost Legacy Proton 9 Override**: Automatic ENB compatibility for Lost Legacy modlist
+- **Fixed Symlinked Downloads**: Automatically handles symlinked download directories to avoid Wine compatibility issues
+
+---
+
+## v0.1.6 - Lorerim Proton Support
+**Release Date:** October 16, 2025
+
+### New Features
+- **Lorerim Proton Override**: Automatically selects Proton 9 for Lorerim installations (GE-Proton9-27 preferred)
+- **Engine Update**: jackify-engine v0.3.17
+
+---
+
 ## v0.1.5.3 - Critical Bug Fixes
 **Release Date:** October 2, 2025
 
@@ -67,7 +96,8 @@
 - **ModOrganizer.ini Path Format**: Fixed missing backslash in gamePath format for proper Windows path structure
 - **SD Card Binary Paths**: Corrected binary paths to use D: drive mapping instead of raw Linux paths for SD card installs
 - **Proton Fallback Logic**: Enhanced fallback when user-selected Proton version is missing or invalid
-- **Settings Persistence**: Improved configuration saving with verification and logging
+
+#Y- **Settings Persistence**: Improved configuration saving with verification and logging
 - **System Wine Elimination**: Comprehensive audit ensures Jackify never uses system wine installations
 - **Winetricks Reliability**: Fixed vcrun2022 installation failures and wine app crashes
 - **Enderal Registry Injection**: Switched from launch options to registry injection approach

jackify/__init__.py

@@ -5,4 +5,4 @@ This package provides both CLI and GUI interfaces for managing
 Wabbajack modlists natively on Linux systems.
 """
 
-__version__ = "0.1.5.3"
+__version__ = "0.1.6.2"

jackify/backend/core/modlist_operations.py

@@ -156,7 +156,7 @@ class ModlistInstallCLI:
             from ..models.configuration import SystemInfo
             self.system_info = SystemInfo(is_steamdeck=steamdeck)
         
-        self.protontricks_handler = ProtontricksHandler(steamdeck=self.steamdeck)
+        self.protontricks_handler = ProtontricksHandler(self.steamdeck)
         self.shortcut_handler = ShortcutHandler(steamdeck=self.steamdeck)
         self.context = {}
         # Use standard logging (no file handler)

jackify/backend/handlers/config_handler.py

@@ -38,7 +38,9 @@ class ConfigHandler:
             "default_download_parent_dir": None,  # Parent directory for downloads
             "modlist_install_base_dir": os.path.expanduser("~/Games"),  # Configurable base directory for modlist installations
             "modlist_downloads_base_dir": os.path.expanduser("~/Games/Modlist_Downloads"),  # Configurable base directory for downloads
-            "jackify_data_dir": None  # Configurable Jackify data directory (default: ~/Jackify)
+            "jackify_data_dir": None,  # Configurable Jackify data directory (default: ~/Jackify)
+            "use_winetricks_for_components": True,  # True = use winetricks (faster), False = use protontricks for all (legacy)
+            "game_proton_path": None  # Proton version for game shortcuts (can be any Proton 9+), separate from install proton
         }
         
         # Load configuration if exists
@@ -498,20 +500,44 @@ class ConfigHandler:
 
     def get_proton_path(self):
         """
-        Retrieve the saved Proton path from configuration
+        Retrieve the saved Install Proton path from configuration (for jackify-engine)
         Always reads fresh from disk to pick up changes from Settings dialog
 
         Returns:
-            str: Saved Proton path or 'auto' if not saved
+            str: Saved Install Proton path or 'auto' if not saved
         """
         try:
             # Reload config from disk to pick up changes from Settings dialog
             self._load_config()
             proton_path = self.settings.get("proton_path", "auto")
-            logger.debug(f"Retrieved fresh proton_path from config: {proton_path}")
+            logger.debug(f"Retrieved fresh install proton_path from config: {proton_path}")
             return proton_path
         except Exception as e:
-            logger.error(f"Error retrieving proton_path: {e}")
+            logger.error(f"Error retrieving install proton_path: {e}")
+            return "auto"
+
+    def get_game_proton_path(self):
+        """
+        Retrieve the saved Game Proton path from configuration (for game shortcuts)
+        Falls back to install Proton path if game Proton not set
+        Always reads fresh from disk to pick up changes from Settings dialog
+
+        Returns:
+            str: Saved Game Proton path, Install Proton path, or 'auto' if not saved
+        """
+        try:
+            # Reload config from disk to pick up changes from Settings dialog
+            self._load_config()
+            game_proton_path = self.settings.get("game_proton_path")
+
+            # If game proton not set or set to same_as_install, use install proton
+            if not game_proton_path or game_proton_path == "same_as_install":
+                game_proton_path = self.settings.get("proton_path", "auto")
+
+            logger.debug(f"Retrieved fresh game proton_path from config: {game_proton_path}")
+            return game_proton_path
+        except Exception as e:
+            logger.error(f"Error retrieving game proton_path: {e}")
             return "auto"
 
     def get_proton_version(self):

jackify/backend/handlers/modlist_handler.py

@@ -71,15 +71,19 @@ class ModlistHandler:
     }
     
     # Canonical mapping of modlist-specific Wine components (from omni-guides.sh)
+    # NOTE: dotnet4.x components disabled in v0.1.6.2 - replaced with universal registry fixes
     MODLIST_WINE_COMPONENTS = {
-        "wildlander": ["dotnet472"],
-        "librum": ["dotnet40", "dotnet8"],
-        "apostasy": ["dotnet40", "dotnet8"],
-        "nordicsouls": ["dotnet40"],
-        "livingskyrim": ["dotnet40"],
-        "lsiv": ["dotnet40"],
-        "ls4": ["dotnet40"],
-        "lostlegacy": ["dotnet48"],
+        # "wildlander": ["dotnet472"],  # DISABLED: Universal registry fixes replace dotnet472 installation
+        # "librum": ["dotnet40", "dotnet8"],  # PARTIAL DISABLE: Keep dotnet8, remove dotnet40
+        "librum": ["dotnet8"],  # dotnet40 replaced with universal registry fixes
+        # "apostasy": ["dotnet40", "dotnet8"],  # PARTIAL DISABLE: Keep dotnet8, remove dotnet40
+        "apostasy": ["dotnet8"],  # dotnet40 replaced with universal registry fixes
+        # "nordicsouls": ["dotnet40"],  # DISABLED: Universal registry fixes replace dotnet40 installation
+        # "livingskyrim": ["dotnet40"],  # DISABLED: Universal registry fixes replace dotnet40 installation
+        # "lsiv": ["dotnet40"],  # DISABLED: Universal registry fixes replace dotnet40 installation
+        # "ls4": ["dotnet40"],  # DISABLED: Universal registry fixes replace dotnet40 installation
+        # "lorerim": ["dotnet40"],  # DISABLED: Universal registry fixes replace dotnet40 installation
+        # "lostlegacy": ["dotnet40"],  # DISABLED: Universal registry fixes replace dotnet40 installation
     }
     
     def __init__(self, steam_path_or_config: Union[Dict, str, Path, None] = None, 
@@ -158,7 +162,7 @@ class ModlistHandler:
         self.stock_game_path = None
         
         # Initialize Handlers (should happen regardless of how paths were provided)
-        self.protontricks_handler = ProtontricksHandler(steamdeck=self.steamdeck, logger=self.logger)
+        self.protontricks_handler = ProtontricksHandler(self.steamdeck, logger=self.logger)
         # Initialize winetricks handler for wine component installation
         from .winetricks_handler import WinetricksHandler
         self.winetricks_handler = WinetricksHandler(logger=self.logger)
@@ -347,7 +351,8 @@ class ModlistHandler:
         # Store engine_installed flag for conditional path manipulation
         self.engine_installed = modlist_info.get('engine_installed', False)
         self.logger.debug(f"  Engine Installed: {self.engine_installed}")
-        
+
+
         # Call internal detection methods to populate more state
         if not self._detect_game_variables():
             self.logger.warning("Failed to auto-detect game type after setting context.")
@@ -667,6 +672,12 @@ class ModlistHandler:
             return False
         self.logger.info("Step 3: Curated user.reg.modlist and system.reg.modlist applied successfully.")
 
+        # Step 3.5: Apply universal dotnet4.x compatibility registry fixes
+        if status_callback:
+            status_callback(f"{self._get_progress_timestamp()} Applying universal dotnet4.x compatibility fixes")
+        self.logger.info("Step 3.5: Applying universal dotnet4.x compatibility registry fixes...")
+        self._apply_universal_dotnet_fixes()
+
         # Step 4: Install Wine Components
         if status_callback:
             status_callback(f"{self._get_progress_timestamp()} Installing Wine components (this may take a while)")
@@ -687,39 +698,27 @@ class ModlistHandler:
         # All modlists now use their own AppID for wine components
         target_appid = self.appid
         
-        # Use winetricks for wine component installation (faster than protontricks)
+        # Use user's preferred component installation method (respects settings toggle)
         wineprefix = self.protontricks_handler.get_wine_prefix_path(target_appid)
         if not wineprefix:
-            self.logger.error("Failed to get WINEPREFIX path for winetricks.")
+            self.logger.error("Failed to get WINEPREFIX path for component installation.")
             print("Error: Could not determine wine prefix location.")
             return False
 
-        # Try winetricks first (preferred method with current fix)
-        winetricks_success = False
+        # Use the winetricks handler which respects the user's toggle setting
         try:
-            self.logger.info("Attempting Wine component installation using winetricks...")
-            winetricks_success = self.winetricks_handler.install_wine_components(wineprefix, self.game_var_full, specific_components=components)
-            if winetricks_success:
-                self.logger.info("Winetricks installation completed successfully")
-        except Exception as e:
-            self.logger.warning(f"Winetricks installation failed with exception: {e}")
-            winetricks_success = False
-
-        # Fallback to protontricks if winetricks failed
-        if not winetricks_success:
-            self.logger.warning("Winetricks failed, falling back to protontricks for Wine component installation...")
-            try:
-                protontricks_success = self.protontricks_handler.install_wine_components(target_appid, self.game_var_full, specific_components=components)
-                if protontricks_success:
-                    self.logger.info("Protontricks fallback installation completed successfully")
-                else:
-                    self.logger.error("Both winetricks and protontricks failed to install Wine components.")
-                    print("Error: Failed to install necessary Wine components using both winetricks and protontricks.")
-                    return False
-            except Exception as e:
-                self.logger.error(f"Protontricks fallback also failed with exception: {e}")
-                print("Error: Failed to install necessary Wine components using both winetricks and protontricks.")
+            self.logger.info("Installing Wine components using user's preferred method...")
+            success = self.winetricks_handler.install_wine_components(wineprefix, self.game_var_full, specific_components=components)
+            if success:
+                self.logger.info("Wine component installation completed successfully")
+            else:
+                self.logger.error("Wine component installation failed")
+                print("Error: Failed to install necessary Wine components.")
                 return False
+        except Exception as e:
+            self.logger.error(f"Wine component installation failed with exception: {e}")
+            print("Error: Failed to install necessary Wine components.")
+            return False
         self.logger.info("Step 4: Installing Wine components... Done")
 
         # Step 5: Ensure permissions of Modlist directory
@@ -747,6 +746,14 @@ class ModlistHandler:
         self.logger.info(f"ModOrganizer.ini backed up to: {backup_path}")
         self.logger.info("Step 6: Backing up ModOrganizer.ini... Done")
 
+        # Step 6.5: Handle symlinked downloads directory
+        if status_callback:
+            status_callback(f"{self._get_progress_timestamp()} Checking for symlinked downloads directory")
+        self.logger.info("Step 6.5: Checking for symlinked downloads directory...")
+        if not self._handle_symlinked_downloads():
+            self.logger.warning("Warning during symlink handling (non-critical)")
+        self.logger.info("Step 6.5: Checking for symlinked downloads directory... Done")
+
         # Step 7a: Detect Stock Game/Game Root path
         if status_callback:
             status_callback(f"{self._get_progress_timestamp()} Detecting stock game path")
@@ -824,10 +831,10 @@ class ModlistHandler:
             vanilla_game_dir = None
             if self.steam_library and self.game_var_full:
                 vanilla_game_dir = str(Path(self.steam_library) / "steamapps" / "common" / self.game_var_full)
-                
-            if not self.resolution_handler.update_ini_resolution(
-                modlist_dir=self.modlist_dir, 
-                game_var=self.game_var_full, 
+
+            if not ResolutionHandler.update_ini_resolution(
+                modlist_dir=self.modlist_dir,
+                game_var=self.game_var_full,
                 set_res=self.selected_resolution,
                 vanilla_game_dir=vanilla_game_dir
             ):
@@ -873,21 +880,38 @@ class ModlistHandler:
                 print("Warning: Failed to create dxvk.conf file.")
             self.logger.info("Step 10: Creating dxvk.conf... Done")
 
-        # Step 11a: Small Tasks - Delete Plugin
+        # Step 11a: Small Tasks - Delete Incompatible Plugins
         if status_callback:
-            status_callback(f"{self._get_progress_timestamp()} Deleting incompatible MO2 plugin")
-        self.logger.info("Step 11a: Deleting incompatible MO2 plugin (FixGameRegKey.py)...")
-        plugin_path = Path(self.modlist_dir) / "plugins" / "FixGameRegKey.py"
-        if plugin_path.exists():
+            status_callback(f"{self._get_progress_timestamp()} Deleting incompatible MO2 plugins")
+        self.logger.info("Step 11a: Deleting incompatible MO2 plugins...")
+
+        # Delete FixGameRegKey.py plugin
+        fixgamereg_path = Path(self.modlist_dir) / "plugins" / "FixGameRegKey.py"
+        if fixgamereg_path.exists():
             try:
-                plugin_path.unlink()
+                fixgamereg_path.unlink()
                 self.logger.info("FixGameRegKey.py plugin deleted successfully.")
             except Exception as e:
                 self.logger.warning(f"Failed to delete FixGameRegKey.py plugin: {e}")
-                print("Warning: Failed to delete incompatible plugin file.")
+                print("Warning: Failed to delete FixGameRegKey.py plugin file.")
         else:
             self.logger.debug("FixGameRegKey.py plugin not found (this is normal).")
-        self.logger.info("Step 11a: Plugin deletion check complete.")
+
+        # Delete PageFileManager plugin directory (Linux has no PageFile)
+        pagefilemgr_path = Path(self.modlist_dir) / "plugins" / "PageFileManager"
+        if pagefilemgr_path.exists():
+            try:
+                import shutil
+                shutil.rmtree(pagefilemgr_path)
+                self.logger.info("PageFileManager plugin directory deleted successfully.")
+            except Exception as e:
+                self.logger.warning(f"Failed to delete PageFileManager plugin directory: {e}")
+                print("Warning: Failed to delete PageFileManager plugin directory.")
+        else:
+            self.logger.debug("PageFileManager plugin not found (this is normal).")
+
+        self.logger.info("Step 11a: Incompatible plugin deletion check complete.")
+
 
         # Step 11b: Download Font
         if status_callback:
@@ -930,6 +954,10 @@ class ModlistHandler:
         #     status_callback("Configuration completed successfully!")
             
         self.logger.info("Configuration steps completed successfully.")
+
+        # Step 14: Re-enforce Windows 10 mode after modlist-specific configurations (matches legacy script line 1333)
+        self._re_enforce_windows_10_mode()
+
         return True # Return True on success
 
     def _detect_steam_library_info(self) -> bool:
@@ -1332,4 +1360,230 @@ class ModlistHandler:
         self.logger.debug("No special game type detected - standard workflow will be used")
         return None
 
-# (Ensure EOF is clean and no extra incorrect methods exist below) 
+    def _re_enforce_windows_10_mode(self):
+        """
+        Re-enforce Windows 10 mode after modlist-specific configurations.
+        This matches the legacy script behavior (line 1333) where Windows 10 mode
+        is re-applied after modlist-specific steps to ensure consistency.
+        """
+        try:
+            if not hasattr(self, 'appid') or not self.appid:
+                self.logger.warning("Cannot re-enforce Windows 10 mode - no AppID available")
+                return
+
+            from ..handlers.winetricks_handler import WinetricksHandler
+            from ..handlers.path_handler import PathHandler
+
+            # Get prefix path for the AppID
+            prefix_path = PathHandler.find_compat_data(str(self.appid))
+            if not prefix_path:
+                self.logger.warning("Cannot re-enforce Windows 10 mode - prefix path not found")
+                return
+
+            # Use winetricks handler to set Windows 10 mode
+            winetricks_handler = WinetricksHandler()
+            wine_binary = winetricks_handler._get_wine_binary_for_prefix(str(prefix_path))
+            if not wine_binary:
+                self.logger.warning("Cannot re-enforce Windows 10 mode - wine binary not found")
+                return
+
+            winetricks_handler._set_windows_10_mode(str(prefix_path), wine_binary)
+
+            self.logger.info("Windows 10 mode re-enforced after modlist-specific configurations")
+
+        except Exception as e:
+            self.logger.warning(f"Error re-enforcing Windows 10 mode: {e}")
+
+    def _handle_symlinked_downloads(self) -> bool:
+        """
+        Check if downloads_directory in ModOrganizer.ini points to a symlink.
+        If it does, comment out the line to force MO2 to use default behavior.
+
+        Returns:
+            bool: True on success or no action needed, False on error
+        """
+        try:
+            import configparser
+            import os
+
+            if not self.modlist_ini or not os.path.exists(self.modlist_ini):
+                self.logger.warning("ModOrganizer.ini not found for symlink check")
+                return True  # Non-critical
+
+            # Read the INI file
+            config = configparser.ConfigParser(allow_no_value=True, delimiters=['='])
+            config.optionxform = str  # Preserve case sensitivity
+
+            try:
+                # Read file manually to handle BOM
+                with open(self.modlist_ini, 'r', encoding='utf-8-sig') as f:
+                    config.read_file(f)
+            except UnicodeDecodeError:
+                with open(self.modlist_ini, 'r', encoding='latin-1') as f:
+                    config.read_file(f)
+
+            # Check if downloads_directory or download_directory exists and is a symlink
+            downloads_key = None
+            downloads_path = None
+
+            if 'General' in config:
+                # Check for both possible key names
+                if 'downloads_directory' in config['General']:
+                    downloads_key = 'downloads_directory'
+                    downloads_path = config['General']['downloads_directory']
+                elif 'download_directory' in config['General']:
+                    downloads_key = 'download_directory'
+                    downloads_path = config['General']['download_directory']
+
+            if downloads_path:
+
+                if downloads_path and os.path.exists(downloads_path):
+                    # Check if the path or any parent directory contains symlinks
+                    def has_symlink_in_path(path):
+                        """Check if path or any parent directory is a symlink"""
+                        current_path = Path(path).resolve()
+                        check_path = Path(path)
+
+                        # Walk up the path checking each component
+                        for parent in [check_path] + list(check_path.parents):
+                            if parent.is_symlink():
+                                return True, str(parent)
+                        return False, None
+
+                    has_symlink, symlink_path = has_symlink_in_path(downloads_path)
+                    if has_symlink:
+                        self.logger.info(f"Detected symlink in downloads directory path: {symlink_path} -> {downloads_path}")
+                        self.logger.info("Commenting out downloads_directory to avoid Wine symlink issues")
+
+                        # Read the file manually to preserve comments and formatting
+                        with open(self.modlist_ini, 'r', encoding='utf-8') as f:
+                            lines = f.readlines()
+
+                        # Find and comment out the downloads directory line
+                        modified = False
+                        for i, line in enumerate(lines):
+                            if line.strip().startswith(f'{downloads_key}='):
+                                lines[i] = '#' + line  # Comment out the line
+                                modified = True
+                                break
+
+                        if modified:
+                            # Write the modified file back
+                            with open(self.modlist_ini, 'w', encoding='utf-8') as f:
+                                f.writelines(lines)
+                            self.logger.info(f"{downloads_key} line commented out successfully")
+                        else:
+                            self.logger.warning("downloads_directory line not found in file")
+                    else:
+                        self.logger.debug(f"downloads_directory is not a symlink: {downloads_path}")
+                else:
+                    self.logger.debug("downloads_directory path does not exist or is empty")
+            else:
+                self.logger.debug("No downloads_directory found in ModOrganizer.ini")
+
+            return True
+
+        except Exception as e:
+            self.logger.error(f"Error handling symlinked downloads: {e}", exc_info=True)
+            return False
+
+    def _apply_universal_dotnet_fixes(self):
+        """Apply universal dotnet4.x compatibility registry fixes to ALL modlists"""
+        try:
+            prefix_path = os.path.join(str(self.compat_data_path), "pfx")
+            if not os.path.exists(prefix_path):
+                self.logger.warning(f"Prefix path not found: {prefix_path}")
+                return False
+
+            self.logger.info("Applying universal dotnet4.x compatibility registry fixes...")
+
+            # Find the appropriate Wine binary to use for registry operations
+            wine_binary = self._find_wine_binary_for_registry()
+            if not wine_binary:
+                self.logger.error("Could not find Wine binary for registry operations")
+                return False
+
+            # Set environment for Wine registry operations
+            env = os.environ.copy()
+            env['WINEPREFIX'] = prefix_path
+            env['WINEDEBUG'] = '-all'  # Suppress Wine debug output
+
+            # Registry fix 1: Set mscoree=native DLL override
+            # This tells Wine to use native .NET runtime instead of Wine's implementation
+            self.logger.debug("Setting mscoree=native DLL override...")
+            cmd1 = [
+                wine_binary, 'reg', 'add',
+                'HKEY_CURRENT_USER\\Software\\Wine\\DllOverrides',
+                '/v', 'mscoree', '/t', 'REG_SZ', '/d', 'native', '/f'
+            ]
+
+            result1 = subprocess.run(cmd1, env=env, capture_output=True, text=True)
+            if result1.returncode == 0:
+                self.logger.info("Successfully applied mscoree=native DLL override")
+            else:
+                self.logger.warning(f"Failed to set mscoree DLL override: {result1.stderr}")
+
+            # Registry fix 2: Set OnlyUseLatestCLR=1
+            # This prevents .NET version conflicts by using the latest CLR
+            self.logger.debug("Setting OnlyUseLatestCLR=1 registry entry...")
+            cmd2 = [
+                wine_binary, 'reg', 'add',
+                'HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework',
+                '/v', 'OnlyUseLatestCLR', '/t', 'REG_DWORD', '/d', '1', '/f'
+            ]
+
+            result2 = subprocess.run(cmd2, env=env, capture_output=True, text=True)
+            if result2.returncode == 0:
+                self.logger.info("Successfully applied OnlyUseLatestCLR=1 registry entry")
+            else:
+                self.logger.warning(f"Failed to set OnlyUseLatestCLR: {result2.stderr}")
+
+            # Both fixes applied - this should eliminate dotnet4.x installation requirements
+            if result1.returncode == 0 and result2.returncode == 0:
+                self.logger.info("Universal dotnet4.x compatibility fixes applied successfully")
+                return True
+            else:
+                self.logger.warning("Some dotnet4.x registry fixes failed, but continuing...")
+                return False
+
+        except Exception as e:
+            self.logger.error(f"Failed to apply universal dotnet4.x fixes: {e}")
+            return False
+
+    def _find_wine_binary_for_registry(self) -> Optional[str]:
+        """Find the appropriate Wine binary for registry operations"""
+        try:
+            # Method 1: Try to detect from Steam's config or use Proton from compat data
+            # Look for wine binary in common Proton locations
+            proton_paths = [
+                os.path.expanduser("~/.local/share/Steam/compatibilitytools.d"),
+                os.path.expanduser("~/.steam/steam/steamapps/common")
+            ]
+
+            for base_path in proton_paths:
+                if os.path.exists(base_path):
+                    for item in os.listdir(base_path):
+                        if 'proton' in item.lower():
+                            wine_path = os.path.join(base_path, item, 'files', 'bin', 'wine')
+                            if os.path.exists(wine_path):
+                                self.logger.debug(f"Found Wine binary: {wine_path}")
+                                return wine_path
+
+            # Method 2: Fallback to system wine if available
+            try:
+                result = subprocess.run(['which', 'wine'], capture_output=True, text=True)
+                if result.returncode == 0:
+                    wine_path = result.stdout.strip()
+                    self.logger.debug(f"Using system Wine binary: {wine_path}")
+                    return wine_path
+            except Exception:
+                pass
+
+            self.logger.error("No suitable Wine binary found for registry operations")
+            return None
+
+        except Exception as e:
+            self.logger.error(f"Error finding Wine binary: {e}")
+            return None
+
+ 

jackify/backend/handlers/modlist_install_cli.py

@@ -68,7 +68,7 @@ class ModlistInstallCLI:
     def __init__(self, menu_handler: MenuHandler, steamdeck: bool = False):
         self.menu_handler = menu_handler
         self.steamdeck = steamdeck
-        self.protontricks_handler = ProtontricksHandler(steamdeck=steamdeck)
+        self.protontricks_handler = ProtontricksHandler(steamdeck)
         self.shortcut_handler = ShortcutHandler(steamdeck=steamdeck)
         self.context = {}
         # Use standard logging (no file handler)

jackify/backend/handlers/protontricks_handler.py

@@ -488,7 +488,7 @@ class ProtontricksHandler:
                         if "ShowDotFiles" not in content:
                             logger.debug(f"Adding ShowDotFiles entry to {user_reg_path}")
                             with open(user_reg_path, 'a', encoding='utf-8') as f:
-                                f.write('\n[Software\\Wine] 1603891765\n') 
+                                f.write('\n[Software\\Wine] 1603891765\n')
                                 f.write('"ShowDotFiles"="Y"\n')
                             dotfiles_set_success = True # Count file write as success too
                         else:
@@ -497,7 +497,7 @@ class ProtontricksHandler:
                     else:
                         logger.warning(f"user.reg not found at {user_reg_path}, creating it.")
                         with open(user_reg_path, 'w', encoding='utf-8') as f:
-                             f.write('[Software\\Wine] 1603891765\n') 
+                             f.write('[Software\\Wine] 1603891765\n')
                              f.write('"ShowDotFiles"="Y"\n')
                         dotfiles_set_success = True # Creating file counts as success
                 except Exception as e:

jackify/backend/handlers/shortcut_handler.py

@@ -41,7 +41,7 @@ class ShortcutHandler:
         self._last_shortcuts_backup = None # Track the last backup path
         self._safe_shortcuts_backup = None # Track backup made just before restart
         # Initialize ProtontricksHandler here, passing steamdeck status
-        self.protontricks_handler = ProtontricksHandler(steamdeck=self.steamdeck)
+        self.protontricks_handler = ProtontricksHandler(self.steamdeck)
         
     def _enable_tab_completion(self):
         """Enable tab completion for file paths using the shared completer"""
@@ -964,7 +964,7 @@ class ShortcutHandler:
         self.logger.info(f"Attempting to find current AppID for shortcut: '{shortcut_name}' (exe_path: '{exe_path}')")
         try:
             from .protontricks_handler import ProtontricksHandler # Local import
-            pt_handler = ProtontricksHandler(steamdeck=self.steamdeck)
+            pt_handler = ProtontricksHandler(self.steamdeck)
             if not pt_handler.detect_protontricks():
                 self.logger.error("Protontricks not detected")
                 return None

jackify/backend/handlers/winetricks_handler.py

@@ -257,10 +257,28 @@ class WinetricksHandler:
         components_to_install = self._reorder_components_for_installation(all_components)
         self.logger.info(f"WINEPREFIX: {wineprefix}, Game: {game_var}, Ordered Components: {components_to_install}")
 
-        # Hybrid approach: Use protontricks for dotnet40 only, winetricks for everything else
-        if "dotnet40" in components_to_install:
-            self.logger.info("dotnet40 detected - using hybrid approach: protontricks for dotnet40, winetricks for others")
-            return self._install_components_hybrid_approach(components_to_install, wineprefix, game_var)
+        # Check user preference for component installation method
+        from ..handlers.config_handler import ConfigHandler
+        config_handler = ConfigHandler()
+        use_winetricks = config_handler.get('use_winetricks_for_components', True)
+
+        # Legacy .NET Framework versions that are problematic in Wine/Proton
+        # DISABLED in v0.1.6.2: Universal registry fixes replace dotnet4.x installation
+        # legacy_dotnet_versions = ['dotnet40', 'dotnet472', 'dotnet48']
+        legacy_dotnet_versions = []  # ALL dotnet4.x versions disabled - universal registry fixes handle compatibility
+
+        # Check if any legacy .NET Framework versions are present
+        has_legacy_dotnet = any(comp in components_to_install for comp in legacy_dotnet_versions)
+
+        # Choose installation method based on user preference and components
+        # HYBRID APPROACH MOSTLY DISABLED: dotnet40/dotnet472 replaced with universal registry fixes
+        if has_legacy_dotnet:
+            legacy_found = [comp for comp in legacy_dotnet_versions if comp in components_to_install]
+            self.logger.info(f"Using hybrid approach: protontricks for legacy .NET versions {legacy_found} (reliable), {'winetricks' if use_winetricks else 'protontricks'} for other components")
+            return self._install_components_hybrid_approach(components_to_install, wineprefix, game_var, use_winetricks)
+        elif not use_winetricks:
+            self.logger.info("Using legacy approach: protontricks for all components")
+            return self._install_components_protontricks_only(components_to_install, wineprefix, game_var)
 
         # For non-dotnet40 installations, install all components together (faster)
         max_attempts = 3
@@ -289,6 +307,8 @@ class WinetricksHandler:
                 self.logger.debug(f"Winetricks output: {result.stdout}")
                 if result.returncode == 0:
                     self.logger.info("Wine Component installation command completed successfully.")
+                    # Set Windows 10 mode after component installation (matches legacy script timing)
+                    self._set_windows_10_mode(wineprefix, env.get('WINE', ''))
                     return True
                 else:
                     # Special handling for dotnet40 verification issue (mimics protontricks behavior)
@@ -415,14 +435,8 @@ class WinetricksHandler:
                     self.logger.error("Failed to prepare prefix for dotnet40")
                     return False
             else:
-                # For non-dotnet40 components, ensure we're in Windows 10 mode
+                # For non-dotnet40 components, install in standard mode (Windows 10 will be set after all components)
                 self.logger.debug(f"Installing {component} in standard mode")
-                try:
-                    subprocess.run([
-                        self.winetricks_path, '-q', 'win10'
-                    ], env=env, capture_output=True, text=True, timeout=300)
-                except Exception as e:
-                    self.logger.warning(f"Could not set win10 mode for {component}: {e}")
 
             # Install this component
             max_attempts = 3
@@ -449,7 +463,7 @@ class WinetricksHandler:
                     )
 
                     if result.returncode == 0:
-                        self.logger.info(f"✓ {component} installed successfully")
+                        self.logger.info(f"{component} installed successfully")
                         component_success = True
                         break
                     else:
@@ -463,13 +477,13 @@ class WinetricksHandler:
                                 try:
                                     with open(log_path, 'r') as f:
                                         if 'dotnet40' in f.read():
-                                            self.logger.info("✓ dotnet40 confirmed in winetricks.log")
+                                            self.logger.info("dotnet40 confirmed in winetricks.log")
                                             component_success = True
                                             break
                                 except Exception as e:
                                     self.logger.warning(f"Could not read winetricks.log: {e}")
 
-                        self.logger.error(f"✗ {component} failed (attempt {attempt}): {result.stderr.strip()}")
+                        self.logger.error(f"{component} failed (attempt {attempt}): {result.stderr.strip()}")
                         self.logger.debug(f"Full stdout for {component}: {result.stdout.strip()}")
 
                 except Exception as e:
@@ -479,58 +493,70 @@ class WinetricksHandler:
                 self.logger.error(f"Failed to install {component} after {max_attempts} attempts")
                 return False
 
-        self.logger.info("✓ All components installed successfully using separate sessions")
+        self.logger.info("All components installed successfully using separate sessions")
+        # Set Windows 10 mode after all component installation (matches legacy script timing)
+        self._set_windows_10_mode(wineprefix, env.get('WINE', ''))
         return True
 
-    def _install_components_hybrid_approach(self, components: list, wineprefix: str, game_var: str) -> bool:
+    def _install_components_hybrid_approach(self, components: list, wineprefix: str, game_var: str, use_winetricks: bool = True) -> bool:
         """
-        Hybrid approach: Install dotnet40 with protontricks (known to work),
-        then install remaining components with winetricks (faster for other components).
+        Hybrid approach: Install legacy .NET Framework versions with protontricks (reliable),
+        then install remaining components with winetricks OR protontricks based on user preference.
 
         Args:
             components: List of all components to install
             wineprefix: Wine prefix path
             game_var: Game variable for AppID detection
+            use_winetricks: Whether to use winetricks for non-legacy components
 
         Returns:
             bool: True if all installations succeeded, False otherwise
         """
         self.logger.info("Starting hybrid installation approach")
 
-        # Separate dotnet40 (protontricks) from other components (winetricks)
-        protontricks_components = [comp for comp in components if comp == "dotnet40"]
-        other_components = [comp for comp in components if comp != "dotnet40"]
+        # Legacy .NET Framework versions that need protontricks
+        legacy_dotnet_versions = ['dotnet40', 'dotnet472', 'dotnet48']
+
+        # Separate legacy .NET (protontricks) from other components (winetricks)
+        protontricks_components = [comp for comp in components if comp in legacy_dotnet_versions]
+        other_components = [comp for comp in components if comp not in legacy_dotnet_versions]
 
         self.logger.info(f"Protontricks components: {protontricks_components}")
         self.logger.info(f"Other components: {other_components}")
 
-        # Step 1: Install dotnet40 with protontricks if present
+        # Step 1: Install legacy .NET Framework versions with protontricks if present
         if protontricks_components:
-            self.logger.info(f"Installing {protontricks_components} using protontricks...")
-            if not self._install_dotnet40_with_protontricks(wineprefix, game_var):
+            self.logger.info(f"Installing legacy .NET versions {protontricks_components} using protontricks...")
+            if not self._install_legacy_dotnet_with_protontricks(protontricks_components, wineprefix, game_var):
                 self.logger.error(f"Failed to install {protontricks_components} with protontricks")
                 return False
-            self.logger.info(f"✓ {protontricks_components} installation completed successfully with protontricks")
+            self.logger.info(f"{protontricks_components} installation completed successfully with protontricks")
 
-        # Step 2: Install remaining components with winetricks if any
+        # Step 2: Install remaining components if any
         if other_components:
-            self.logger.info(f"Installing remaining components with winetricks: {other_components}")
+            if use_winetricks:
+                self.logger.info(f"Installing remaining components with winetricks: {other_components}")
+                # Use existing winetricks logic for other components
+                env = self._prepare_winetricks_environment(wineprefix)
+                if not env:
+                    return False
+                return self._install_components_with_winetricks(other_components, wineprefix, env)
+            else:
+                self.logger.info(f"Installing remaining components with protontricks: {other_components}")
+                return self._install_components_protontricks_only(other_components, wineprefix, game_var)
 
-            # Use existing winetricks logic for other components
-            env = self._prepare_winetricks_environment(wineprefix)
-            if not env:
-                return False
-
-            return self._install_components_with_winetricks(other_components, wineprefix, env)
-
-        self.logger.info("✓ Hybrid component installation completed successfully")
+        self.logger.info("Hybrid component installation completed successfully")
+        # Set Windows 10 mode after all component installation (matches legacy script timing)
+        wine_binary = self._get_wine_binary_for_prefix(wineprefix)
+        self._set_windows_10_mode(wineprefix, wine_binary)
         return True
 
-    def _install_dotnet40_with_protontricks(self, wineprefix: str, game_var: str) -> bool:
+    def _install_legacy_dotnet_with_protontricks(self, legacy_components: list, wineprefix: str, game_var: str) -> bool:
         """
-        Install dotnet40 using protontricks (known to work reliably).
+        Install legacy .NET Framework versions using protontricks (known to work more reliably).
 
         Args:
+            legacy_components: List of legacy .NET components to install (dotnet40, dotnet472, dotnet48)
             wineprefix: Wine prefix path
             game_var: Game variable for AppID detection
 
@@ -562,25 +588,32 @@ class WinetricksHandler:
             # Determine if we're on Steam Deck (for protontricks handler)
             steamdeck = os.path.exists('/home/deck')
 
-            protontricks_handler = ProtontricksHandler(steamdeck=steamdeck, logger=self.logger)
+            protontricks_handler = ProtontricksHandler(steamdeck, logger=self.logger)
 
             # Detect protontricks availability
             if not protontricks_handler.detect_protontricks():
-                self.logger.error("Protontricks not available for dotnet40 installation")
+                self.logger.error(f"Protontricks not available for legacy .NET installation: {legacy_components}")
                 return False
 
-            # Install dotnet40 using protontricks
-            success = protontricks_handler.install_wine_components(appid, game_var, ["dotnet40"])
+            # Install legacy .NET components using protontricks
+            success = protontricks_handler.install_wine_components(appid, game_var, legacy_components)
 
             if success:
-                self.logger.info("✓ dotnet40 installed successfully with protontricks")
+                self.logger.info(f"Legacy .NET components {legacy_components} installed successfully with protontricks")
+
+                # Enable dotfiles and symlinks for the prefix
+                if protontricks_handler.enable_dotfiles(appid):
+                    self.logger.info("Enabled dotfiles and symlinks support")
+                else:
+                    self.logger.warning("Failed to enable dotfiles/symlinks (non-critical)")
+
                 return True
             else:
-                self.logger.error("✗ dotnet40 installation failed with protontricks")
+                self.logger.error(f"Legacy .NET components {legacy_components} installation failed with protontricks")
                 return False
 
         except Exception as e:
-            self.logger.error(f"Error installing dotnet40 with protontricks: {e}", exc_info=True)
+            self.logger.error(f"Error installing legacy .NET components {legacy_components} with protontricks: {e}", exc_info=True)
             return False
 
     def _prepare_winetricks_environment(self, wineprefix: str) -> Optional[dict]:
@@ -690,10 +723,13 @@ class WinetricksHandler:
                 )
 
                 if result.returncode == 0:
-                    self.logger.info(f"✓ Winetricks components installed successfully: {components}")
+                    self.logger.info(f"Winetricks components installed successfully: {components}")
+                    # Set Windows 10 mode after component installation (matches legacy script timing)
+                    wine_binary = env.get('WINE', '')
+                    self._set_windows_10_mode(env.get('WINEPREFIX', ''), wine_binary)
                     return True
                 else:
-                    self.logger.error(f"✗ Winetricks failed (attempt {attempt}): {result.stderr.strip()}")
+                    self.logger.error(f"Winetricks failed (attempt {attempt}): {result.stderr.strip()}")
 
             except Exception as e:
                 self.logger.error(f"Error during winetricks run (attempt {attempt}): {e}")
@@ -701,6 +737,140 @@ class WinetricksHandler:
         self.logger.error(f"Failed to install components with winetricks after {max_attempts} attempts")
         return False
 
+    def _set_windows_10_mode(self, wineprefix: str, wine_binary: str):
+        """
+        Set Windows 10 mode for the prefix after component installation (matches legacy script timing).
+        This should be called AFTER all Wine components are installed, not before.
+        """
+        try:
+            env = os.environ.copy()
+            env['WINEPREFIX'] = wineprefix
+            env['WINE'] = wine_binary
+
+            self.logger.info("Setting Windows 10 mode after component installation (matching legacy script)")
+            result = subprocess.run([
+                self.winetricks_path, '-q', 'win10'
+            ], env=env, capture_output=True, text=True, timeout=300)
+
+            if result.returncode == 0:
+                self.logger.info("Windows 10 mode set successfully")
+            else:
+                self.logger.warning(f"Could not set Windows 10 mode: {result.stderr}")
+
+        except Exception as e:
+            self.logger.warning(f"Error setting Windows 10 mode: {e}")
+
+    def _install_components_protontricks_only(self, components: list, wineprefix: str, game_var: str) -> bool:
+        """
+        Legacy approach: Install all components using protontricks only.
+        This matches the behavior of the original bash script.
+        """
+        try:
+            self.logger.info(f"Installing all components with protontricks (legacy method): {components}")
+
+            # Import protontricks handler
+            from ..handlers.protontricks_handler import ProtontricksHandler
+
+            # Determine if we're on Steam Deck (for protontricks handler)
+            steamdeck = os.path.exists('/home/deck')
+            protontricks_handler = ProtontricksHandler(steamdeck, logger=self.logger)
+
+            # Get AppID from wineprefix
+            appid = self._extract_appid_from_wineprefix(wineprefix)
+            if not appid:
+                self.logger.error("Could not extract AppID from wineprefix for protontricks installation")
+                return False
+
+            self.logger.info(f"Using AppID {appid} for protontricks installation")
+
+            # Detect protontricks availability
+            if not protontricks_handler.detect_protontricks():
+                self.logger.error("Protontricks not available for component installation")
+                return False
+
+            # Install all components using protontricks
+            success = protontricks_handler.install_wine_components(appid, game_var, components)
+
+            if success:
+                self.logger.info("All components installed successfully with protontricks")
+                # Set Windows 10 mode after component installation
+                wine_binary = self._get_wine_binary_for_prefix(wineprefix)
+                self._set_windows_10_mode(wineprefix, wine_binary)
+                return True
+            else:
+                self.logger.error("Component installation failed with protontricks")
+                return False
+
+        except Exception as e:
+            self.logger.error(f"Error installing components with protontricks: {e}", exc_info=True)
+            return False
+
+    def _extract_appid_from_wineprefix(self, wineprefix: str) -> Optional[str]:
+        """
+        Extract AppID from wineprefix path.
+
+        Args:
+            wineprefix: Wine prefix path
+
+        Returns:
+            AppID as string, or None if extraction fails
+        """
+        try:
+            if 'compatdata' in wineprefix:
+                # Standard Steam compatdata structure
+                path_parts = Path(wineprefix).parts
+                for i, part in enumerate(path_parts):
+                    if part == 'compatdata' and i + 1 < len(path_parts):
+                        potential_appid = path_parts[i + 1]
+                        if potential_appid.isdigit():
+                            return potential_appid
+            self.logger.error(f"Could not extract AppID from wineprefix path: {wineprefix}")
+            return None
+        except Exception as e:
+            self.logger.error(f"Error extracting AppID from wineprefix: {e}")
+            return None
+
+    def _get_wine_binary_for_prefix(self, wineprefix: str) -> str:
+        """
+        Get the wine binary path for a given prefix.
+
+        Args:
+            wineprefix: Wine prefix path
+
+        Returns:
+            Wine binary path as string
+        """
+        try:
+            from ..handlers.config_handler import ConfigHandler
+            from ..handlers.wine_utils import WineUtils
+
+            config = ConfigHandler()
+            user_proton_path = config.get_proton_path()
+
+            # If user selected a specific Proton, try that first
+            wine_binary = None
+            if user_proton_path != 'auto':
+                if os.path.exists(user_proton_path):
+                    resolved_proton_path = os.path.realpath(user_proton_path)
+                    valve_proton_wine = os.path.join(resolved_proton_path, 'dist', 'bin', 'wine')
+                    ge_proton_wine = os.path.join(resolved_proton_path, 'files', 'bin', 'wine')
+
+                    if os.path.exists(valve_proton_wine):
+                        wine_binary = valve_proton_wine
+                    elif os.path.exists(ge_proton_wine):
+                        wine_binary = ge_proton_wine
+
+            # Fall back to auto-detection if user selection failed or is 'auto'
+            if not wine_binary:
+                best_proton = WineUtils.select_best_proton()
+                if best_proton:
+                    wine_binary = WineUtils.find_proton_binary(best_proton['name'])
+
+            return wine_binary if wine_binary else ""
+        except Exception as e:
+            self.logger.error(f"Error getting wine binary for prefix: {e}")
+            return ""
+
     def _cleanup_wine_processes(self):
         """
         Internal method to clean up wine processes during component installation

jackify/backend/services/automated_prefix_service.py

@@ -39,14 +39,35 @@ class AutomatedPrefixService:
         from jackify.shared.timing import get_timestamp
         return get_timestamp()
 
-    def _get_user_proton_version(self):
-        """Get user's preferred Proton version from config, with fallback to auto-detection"""
+    def _get_user_proton_version(self, modlist_name: str = None):
+        """Get user's preferred Proton version from config, with fallback to auto-detection
+
+        Args:
+            modlist_name: Optional modlist name for special handling (e.g., Lorerim)
+        """
         try:
             from jackify.backend.handlers.config_handler import ConfigHandler
             from jackify.backend.handlers.wine_utils import WineUtils
 
+            # Check for Lorerim-specific Proton override first
+            modlist_normalized = modlist_name.lower().replace(" ", "") if modlist_name else ""
+            if modlist_normalized == 'lorerim':
+                lorerim_proton = self._get_lorerim_preferred_proton()
+                if lorerim_proton:
+                    logger.info(f"Lorerim detected: Using {lorerim_proton} instead of user settings")
+                    self._store_proton_override_notification("Lorerim", lorerim_proton)
+                    return lorerim_proton
+
+            # Check for Lost Legacy-specific Proton override (needs Proton 9 for ENB compatibility)
+            if modlist_normalized == 'lostlegacy':
+                lostlegacy_proton = self._get_lorerim_preferred_proton()  # Use same logic as Lorerim
+                if lostlegacy_proton:
+                    logger.info(f"Lost Legacy detected: Using {lostlegacy_proton} instead of user settings (ENB compatibility)")
+                    self._store_proton_override_notification("Lost Legacy", lostlegacy_proton)
+                    return lostlegacy_proton
+
             config_handler = ConfigHandler()
-            user_proton_path = config_handler.get_proton_path()
+            user_proton_path = config_handler.get_game_proton_path()
 
             if user_proton_path == 'auto':
                 # Use enhanced fallback logic with GE-Proton preference
@@ -125,8 +146,8 @@ class AutomatedPrefixService:
                     logger.warning(f"Could not generate STEAM_COMPAT_MOUNTS, using default: {e}")
                     launch_options = "%command%"
             
-            # Get user's preferred Proton version
-            proton_version = self._get_user_proton_version()
+            # Get user's preferred Proton version (with Lorerim-specific override)
+            proton_version = self._get_user_proton_version(shortcut_name)
 
             # Create shortcut with Proton using native service
             success, app_id = steam_service.create_shortcut_with_proton(
@@ -487,7 +508,7 @@ exit"""
                 try:
                     # Use the existing protontricks handler
                     from jackify.backend.handlers.protontricks_handler import ProtontricksHandler
-                    protontricks_handler = ProtontricksHandler(steamdeck=steamdeck or False)
+                    protontricks_handler = ProtontricksHandler(steamdeck or False)
                     result = protontricks_handler.run_protontricks('-l')
                     
                     if result.returncode == 0:
@@ -1556,6 +1577,9 @@ echo Prefix creation complete.
             
             if progress_callback:
                 progress_callback(f"{self._get_progress_timestamp()} Steam Configuration complete!")
+            # Show Proton override notification if applicable
+            self._show_proton_override_notification(progress_callback)
+
             logger.info(" Simple automated prefix creation workflow completed successfully")
             return True, prefix_path, actual_appid
             
@@ -1869,6 +1893,11 @@ echo Prefix creation complete.
             if progress_callback:
                 progress_callback(f"{last_timestamp} Steam integration complete")
                 progress_callback("")  # Blank line after Steam integration complete
+
+            # Show Proton override notification if applicable
+            self._show_proton_override_notification(progress_callback)
+
+            if progress_callback:
                 progress_callback("")  # Extra blank line to span across Configuration Summary
                 progress_callback("")  # And one more to create space before Prefix Configuration
             
@@ -2705,7 +2734,7 @@ echo Prefix creation complete.
             from jackify.backend.handlers.wine_utils import WineUtils
 
             config = ConfigHandler()
-            user_proton_path = config.get_proton_path()
+            user_proton_path = config.get_game_proton_path()
 
             # If user selected a specific Proton, try that first
             if user_proton_path != 'auto':
@@ -2952,14 +2981,115 @@ echo Prefix creation complete.
             logger.error(f"Failed to update registry path: {e}")
             return False
 
+    def _apply_universal_dotnet_fixes(self, modlist_compatdata_path: str):
+        """Apply universal dotnet4.x compatibility registry fixes to ALL modlists"""
+        try:
+            prefix_path = os.path.join(modlist_compatdata_path, "pfx")
+            if not os.path.exists(prefix_path):
+                logger.warning(f"Prefix path not found: {prefix_path}")
+                return False
+
+            logger.info("Applying universal dotnet4.x compatibility registry fixes...")
+
+            # Find the appropriate Wine binary to use for registry operations
+            wine_binary = self._find_wine_binary_for_registry(modlist_compatdata_path)
+            if not wine_binary:
+                logger.error("Could not find Wine binary for registry operations")
+                return False
+
+            # Set environment for Wine registry operations
+            env = os.environ.copy()
+            env['WINEPREFIX'] = prefix_path
+            env['WINEDEBUG'] = '-all'  # Suppress Wine debug output
+
+            # Registry fix 1: Set mscoree=native DLL override
+            # This tells Wine to use native .NET runtime instead of Wine's implementation
+            logger.debug("Setting mscoree=native DLL override...")
+            cmd1 = [
+                wine_binary, 'reg', 'add',
+                'HKEY_CURRENT_USER\\Software\\Wine\\DllOverrides',
+                '/v', 'mscoree', '/t', 'REG_SZ', '/d', 'native', '/f'
+            ]
+
+            result1 = subprocess.run(cmd1, env=env, capture_output=True, text=True)
+            if result1.returncode == 0:
+                logger.info("Successfully applied mscoree=native DLL override")
+            else:
+                logger.warning(f"Failed to set mscoree DLL override: {result1.stderr}")
+
+            # Registry fix 2: Set OnlyUseLatestCLR=1
+            # This prevents .NET version conflicts by using the latest CLR
+            logger.debug("Setting OnlyUseLatestCLR=1 registry entry...")
+            cmd2 = [
+                wine_binary, 'reg', 'add',
+                'HKEY_LOCAL_MACHINE\\Software\\Microsoft\\.NETFramework',
+                '/v', 'OnlyUseLatestCLR', '/t', 'REG_DWORD', '/d', '1', '/f'
+            ]
+
+            result2 = subprocess.run(cmd2, env=env, capture_output=True, text=True)
+            if result2.returncode == 0:
+                logger.info("Successfully applied OnlyUseLatestCLR=1 registry entry")
+            else:
+                logger.warning(f"Failed to set OnlyUseLatestCLR: {result2.stderr}")
+
+            # Both fixes applied - this should eliminate dotnet4.x installation requirements
+            if result1.returncode == 0 and result2.returncode == 0:
+                logger.info("Universal dotnet4.x compatibility fixes applied successfully")
+                return True
+            else:
+                logger.warning("Some dotnet4.x registry fixes failed, but continuing...")
+                return False
+
+        except Exception as e:
+            logger.error(f"Failed to apply universal dotnet4.x fixes: {e}")
+            return False
+
+    def _find_wine_binary_for_registry(self, modlist_compatdata_path: str) -> Optional[str]:
+        """Find the appropriate Wine binary for registry operations"""
+        try:
+            # Method 1: Try to detect from Steam's config or use Proton from compat data
+            # Look for wine binary in common Proton locations
+            proton_paths = [
+                os.path.expanduser("~/.local/share/Steam/compatibilitytools.d"),
+                os.path.expanduser("~/.steam/steam/steamapps/common")
+            ]
+
+            for base_path in proton_paths:
+                if os.path.exists(base_path):
+                    for item in os.listdir(base_path):
+                        if 'proton' in item.lower():
+                            wine_path = os.path.join(base_path, item, 'files', 'bin', 'wine')
+                            if os.path.exists(wine_path):
+                                logger.debug(f"Found Wine binary: {wine_path}")
+                                return wine_path
+
+            # Method 2: Fallback to system wine if available
+            try:
+                result = subprocess.run(['which', 'wine'], capture_output=True, text=True)
+                if result.returncode == 0:
+                    wine_path = result.stdout.strip()
+                    logger.debug(f"Using system Wine binary: {wine_path}")
+                    return wine_path
+            except Exception:
+                pass
+
+            logger.error("No suitable Wine binary found for registry operations")
+            return None
+
+        except Exception as e:
+            logger.error(f"Error finding Wine binary: {e}")
+            return None
+
     def _inject_game_registry_entries(self, modlist_compatdata_path: str):
-        """Detect and inject FNV/Enderal game paths into modlist's system.reg"""
+        """Detect and inject FNV/Enderal game paths and apply universal dotnet4.x compatibility fixes"""
         system_reg_path = os.path.join(modlist_compatdata_path, "pfx", "system.reg")
         if not os.path.exists(system_reg_path):
             logger.warning("system.reg not found, skipping game path injection")
             return
-        
-        logger.info("Detecting and injecting game registry entries...")
+
+        logger.info("Detecting game registry entries...")
+
+        # NOTE: Universal dotnet4.x registry fixes now applied in modlist_handler.py after .reg downloads
         
         # Game configurations
         games_config = {
@@ -3005,4 +3135,92 @@ echo Prefix creation complete.
                 logger.debug(f"{config['name']} not found in Steam libraries")
                 
         logger.info("Game registry injection completed")
-    
+
+    def _get_lorerim_preferred_proton(self):
+        """Get Lorerim's preferred Proton 9 version with specific priority order"""
+        try:
+            from jackify.backend.handlers.wine_utils import WineUtils
+
+            # Get all available Proton versions
+            available_versions = WineUtils.scan_all_proton_versions()
+
+            if not available_versions:
+                logger.warning("No Proton versions found for Lorerim override")
+                return None
+
+            # Priority order for Lorerim:
+            # 1. GEProton9-27 (specific version)
+            # 2. Other GEProton-9 versions (latest first)
+            # 3. Valve Proton 9 (any version)
+
+            preferred_candidates = []
+
+            for version in available_versions:
+                version_name = version['name']
+
+                # Priority 1: GEProton9-27 specifically
+                if version_name == 'GE-Proton9-27':
+                    logger.info(f"Lorerim: Found preferred GE-Proton9-27")
+                    return version_name
+
+                # Priority 2: Other GE-Proton 9 versions
+                elif version_name.startswith('GE-Proton9-'):
+                    preferred_candidates.append(('ge_proton_9', version_name, version))
+
+                # Priority 3: Valve Proton 9
+                elif 'Proton 9' in version_name:
+                    preferred_candidates.append(('valve_proton_9', version_name, version))
+
+            # Return best candidate if any found
+            if preferred_candidates:
+                # Sort by priority (GE-Proton first, then by name for latest)
+                preferred_candidates.sort(key=lambda x: (x[0], x[1]), reverse=True)
+                best_candidate = preferred_candidates[0]
+                logger.info(f"Lorerim: Selected {best_candidate[1]} as best Proton 9 option")
+                return best_candidate[1]
+
+            logger.warning("Lorerim: No suitable Proton 9 versions found, will use user settings")
+            return None
+
+        except Exception as e:
+            logger.error(f"Error detecting Lorerim Proton preference: {e}")
+            return None
+
+    def _store_proton_override_notification(self, modlist_name: str, proton_version: str):
+        """Store Proton override information for end-of-install notification"""
+        try:
+            # Store override info for later display
+            if not hasattr(self, '_proton_overrides'):
+                self._proton_overrides = []
+
+            self._proton_overrides.append({
+                'modlist': modlist_name,
+                'proton_version': proton_version,
+                'reason': f'{modlist_name} requires Proton 9 for optimal compatibility'
+            })
+
+            logger.debug(f"Stored Proton override notification: {modlist_name} → {proton_version}")
+
+        except Exception as e:
+            logger.error(f"Failed to store Proton override notification: {e}")
+
+    def _show_proton_override_notification(self, progress_callback=None):
+        """Display any Proton override notifications to the user"""
+        try:
+            if hasattr(self, '_proton_overrides') and self._proton_overrides:
+                for override in self._proton_overrides:
+                    notification_msg = f"PROTON OVERRIDE: {override['modlist']} configured to use {override['proton_version']} for optimal compatibility"
+
+                    if progress_callback:
+                        progress_callback("")
+                        progress_callback(f"{self._get_progress_timestamp()} {notification_msg}")
+
+                    logger.info(notification_msg)
+
+                # Clear notifications after display
+                self._proton_overrides = []
+
+        except Exception as e:
+            logger.error(f"Failed to show Proton override notification: {e}")
+
+

jackify/backend/services/modlist_service.py

@@ -629,8 +629,13 @@ class ModlistService:
                 'mo2_exe_path': str(context.install_dir / 'ModOrganizer.exe'),
                 'resolution': getattr(context, 'resolution', None),
                 'skip_confirmation': True,  # Service layer should be non-interactive
-                'manual_steps_completed': False
+                'manual_steps_completed': False,
+                'appid': getattr(context, 'app_id', None)  # Fix: Include appid like other configuration paths
             }
+
+            # DEBUG: Log what resolution we're passing
+            logger.info(f"DEBUG: config_context resolution = {config_context['resolution']}")
+            logger.info(f"DEBUG: context.resolution = {getattr(context, 'resolution', 'NOT_SET')}")
             
             # Run the complete configuration phase
             success = modlist_menu.run_modlist_configuration_phase(config_context)

jackify/backend/services/native_steam_service.py

@@ -345,16 +345,22 @@ class NativeSteamService:
     def set_proton_version(self, app_id: int, proton_version: str = "proton_experimental") -> bool:
         """
         Set the Proton version for a specific app using ONLY config.vdf like steam-conductor does.
-        
+
         Args:
-            app_id: The unsigned AppID  
+            app_id: The unsigned AppID
             proton_version: The Proton version to set
-            
+
         Returns:
             True if successful
         """
+        # Ensure Steam user detection is completed first
+        if not self.steam_path:
+            if not self.find_steam_user():
+                logger.error("Cannot set Proton version: Steam user detection failed")
+                return False
+
         logger.info(f"Setting Proton version '{proton_version}' for AppID {app_id} using STL-compatible format")
-        
+
         try:
             # Step 1: Write to the main config.vdf for CompatToolMapping
             config_path = self.steam_path / "config" / "config.vdf"
@@ -376,8 +382,27 @@ class NativeSteamService:
             # Find the CompatToolMapping section
             compat_start = config_text.find('"CompatToolMapping"')
             if compat_start == -1:
-                logger.error("CompatToolMapping section not found in config.vdf")
-                return False
+                logger.warning("CompatToolMapping section not found in config.vdf, creating it")
+                # Find the Steam section to add CompatToolMapping to
+                steam_section = config_text.find('"Steam"')
+                if steam_section == -1:
+                    logger.error("Steam section not found in config.vdf")
+                    return False
+
+                # Find the opening brace for Steam section
+                steam_brace = config_text.find('{', steam_section)
+                if steam_brace == -1:
+                    logger.error("Steam section opening brace not found")
+                    return False
+
+                # Insert CompatToolMapping section right after Steam opening brace
+                insert_pos = steam_brace + 1
+                compat_section = '\n\t\t"CompatToolMapping"\n\t\t{\n\t\t}\n'
+                config_text = config_text[:insert_pos] + compat_section + config_text[insert_pos:]
+
+                # Update compat_start position after insertion
+                compat_start = config_text.find('"CompatToolMapping"')
+                logger.info("Created CompatToolMapping section in config.vdf")
             
             # Find the closing brace for CompatToolMapping
             # Look for the opening brace after CompatToolMapping

jackify/backend/services/protontricks_detection_service.py

@@ -39,7 +39,7 @@ class ProtontricksDetectionService:
     def _get_protontricks_handler(self) -> ProtontricksHandler:
         """Get or create ProtontricksHandler instance"""
         if self._protontricks_handler is None:
-            self._protontricks_handler = ProtontricksHandler(steamdeck=self.steamdeck)
+            self._protontricks_handler = ProtontricksHandler(self.steamdeck)
         return self._protontricks_handler
     
     def detect_protontricks(self, use_cache: bool = True) -> Tuple[bool, str, str]:

jackify/engine/jackify-engine.deps.json

@@ -7,7 +7,7 @@
   "targets": {
     ".NETCoreApp,Version=v8.0": {},
     ".NETCoreApp,Version=v8.0/linux-x64": {
-      "jackify-engine/0.3.16": {
+      "jackify-engine/0.3.17": {
         "dependencies": {
           "Markdig": "0.40.0",
           "Microsoft.Extensions.Configuration.Json": "9.0.1",
@@ -22,16 +22,16 @@
           "SixLabors.ImageSharp": "3.1.6",
           "System.CommandLine": "2.0.0-beta4.22272.1",
           "System.CommandLine.NamingConventionBinder": "2.0.0-beta4.22272.1",
-          "Wabbajack.CLI.Builder": "0.3.16",
-          "Wabbajack.Downloaders.Bethesda": "0.3.16",
-          "Wabbajack.Downloaders.Dispatcher": "0.3.16",
-          "Wabbajack.Hashing.xxHash64": "0.3.16",
-          "Wabbajack.Networking.Discord": "0.3.16",
-          "Wabbajack.Networking.GitHub": "0.3.16",
-          "Wabbajack.Paths.IO": "0.3.16",
-          "Wabbajack.Server.Lib": "0.3.16",
-          "Wabbajack.Services.OSIntegrated": "0.3.16",
-          "Wabbajack.VFS": "0.3.16",
+          "Wabbajack.CLI.Builder": "0.3.17",
+          "Wabbajack.Downloaders.Bethesda": "0.3.17",
+          "Wabbajack.Downloaders.Dispatcher": "0.3.17",
+          "Wabbajack.Hashing.xxHash64": "0.3.17",
+          "Wabbajack.Networking.Discord": "0.3.17",
+          "Wabbajack.Networking.GitHub": "0.3.17",
+          "Wabbajack.Paths.IO": "0.3.17",
+          "Wabbajack.Server.Lib": "0.3.17",
+          "Wabbajack.Services.OSIntegrated": "0.3.17",
+          "Wabbajack.VFS": "0.3.17",
           "MegaApiClient": "1.0.0.0",
           "runtimepack.Microsoft.NETCore.App.Runtime.linux-x64": "8.0.19"
         },
@@ -1781,7 +1781,7 @@
           }
         }
       },
-      "Wabbajack.CLI.Builder/0.3.16": {
+      "Wabbajack.CLI.Builder/0.3.17": {
         "dependencies": {
           "Microsoft.Extensions.Configuration.Json": "9.0.1",
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
@@ -1791,109 +1791,109 @@
           "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
           "System.CommandLine": "2.0.0-beta4.22272.1",
           "System.CommandLine.NamingConventionBinder": "2.0.0-beta4.22272.1",
-          "Wabbajack.Paths": "0.3.16"
+          "Wabbajack.Paths": "0.3.17"
         },
         "runtime": {
           "Wabbajack.CLI.Builder.dll": {}
         }
       },
-      "Wabbajack.Common/0.3.16": {
+      "Wabbajack.Common/0.3.17": {
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
           "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
           "System.Reactive": "6.0.1",
-          "Wabbajack.DTOs": "0.3.16",
-          "Wabbajack.Networking.Http": "0.3.16",
-          "Wabbajack.Paths.IO": "0.3.16"
+          "Wabbajack.DTOs": "0.3.17",
+          "Wabbajack.Networking.Http": "0.3.17",
+          "Wabbajack.Paths.IO": "0.3.17"
         },
         "runtime": {
           "Wabbajack.Common.dll": {}
         }
       },
-      "Wabbajack.Compiler/0.3.16": {
+      "Wabbajack.Compiler/0.3.17": {
         "dependencies": {
           "F23.StringSimilarity": "6.0.0",
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
           "Newtonsoft.Json": "13.0.3",
           "SixLabors.ImageSharp": "3.1.6",
-          "Wabbajack.Downloaders.Dispatcher": "0.3.16",
-          "Wabbajack.Installer": "0.3.16",
-          "Wabbajack.VFS": "0.3.16",
+          "Wabbajack.Downloaders.Dispatcher": "0.3.17",
+          "Wabbajack.Installer": "0.3.17",
+          "Wabbajack.VFS": "0.3.17",
           "ini-parser-netstandard": "2.5.2"
         },
         "runtime": {
           "Wabbajack.Compiler.dll": {}
         }
       },
-      "Wabbajack.Compression.BSA/0.3.16": {
+      "Wabbajack.Compression.BSA/0.3.17": {
         "dependencies": {
           "K4os.Compression.LZ4.Streams": "1.3.8",
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
           "SharpZipLib": "1.4.2",
-          "Wabbajack.Common": "0.3.16",
-          "Wabbajack.DTOs": "0.3.16"
+          "Wabbajack.Common": "0.3.17",
+          "Wabbajack.DTOs": "0.3.17"
         },
         "runtime": {
           "Wabbajack.Compression.BSA.dll": {}
         }
       },
-      "Wabbajack.Compression.Zip/0.3.16": {
+      "Wabbajack.Compression.Zip/0.3.17": {
         "dependencies": {
-          "Wabbajack.IO.Async": "0.3.16"
+          "Wabbajack.IO.Async": "0.3.17"
         },
         "runtime": {
           "Wabbajack.Compression.Zip.dll": {}
         }
       },
-      "Wabbajack.Configuration/0.3.16": {
+      "Wabbajack.Configuration/0.3.17": {
         "runtime": {
           "Wabbajack.Configuration.dll": {}
         }
       },
-      "Wabbajack.Downloaders.Bethesda/0.3.16": {
+      "Wabbajack.Downloaders.Bethesda/0.3.17": {
         "dependencies": {
           "LibAES-CTR": "1.1.0",
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
           "SharpZipLib": "1.4.2",
-          "Wabbajack.Common": "0.3.16",
-          "Wabbajack.Downloaders.Interfaces": "0.3.16",
-          "Wabbajack.Networking.BethesdaNet": "0.3.16"
+          "Wabbajack.Common": "0.3.17",
+          "Wabbajack.Downloaders.Interfaces": "0.3.17",
+          "Wabbajack.Networking.BethesdaNet": "0.3.17"
         },
         "runtime": {
           "Wabbajack.Downloaders.Bethesda.dll": {}
         }
       },
-      "Wabbajack.Downloaders.Dispatcher/0.3.16": {
+      "Wabbajack.Downloaders.Dispatcher/0.3.17": {
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
           "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
           "Newtonsoft.Json": "13.0.3",
           "SixLabors.ImageSharp": "3.1.6",
-          "Wabbajack.Downloaders.Bethesda": "0.3.16",
-          "Wabbajack.Downloaders.GameFile": "0.3.16",
-          "Wabbajack.Downloaders.GoogleDrive": "0.3.16",
-          "Wabbajack.Downloaders.Http": "0.3.16",
-          "Wabbajack.Downloaders.IPS4OAuth2Downloader": "0.3.16",
-          "Wabbajack.Downloaders.Interfaces": "0.3.16",
-          "Wabbajack.Downloaders.Manual": "0.3.16",
-          "Wabbajack.Downloaders.MediaFire": "0.3.16",
-          "Wabbajack.Downloaders.Mega": "0.3.16",
-          "Wabbajack.Downloaders.ModDB": "0.3.16",
-          "Wabbajack.Downloaders.Nexus": "0.3.16",
-          "Wabbajack.Downloaders.VerificationCache": "0.3.16",
-          "Wabbajack.Downloaders.WabbajackCDN": "0.3.16",
-          "Wabbajack.Networking.WabbajackClientApi": "0.3.16"
+          "Wabbajack.Downloaders.Bethesda": "0.3.17",
+          "Wabbajack.Downloaders.GameFile": "0.3.17",
+          "Wabbajack.Downloaders.GoogleDrive": "0.3.17",
+          "Wabbajack.Downloaders.Http": "0.3.17",
+          "Wabbajack.Downloaders.IPS4OAuth2Downloader": "0.3.17",
+          "Wabbajack.Downloaders.Interfaces": "0.3.17",
+          "Wabbajack.Downloaders.Manual": "0.3.17",
+          "Wabbajack.Downloaders.MediaFire": "0.3.17",
+          "Wabbajack.Downloaders.Mega": "0.3.17",
+          "Wabbajack.Downloaders.ModDB": "0.3.17",
+          "Wabbajack.Downloaders.Nexus": "0.3.17",
+          "Wabbajack.Downloaders.VerificationCache": "0.3.17",
+          "Wabbajack.Downloaders.WabbajackCDN": "0.3.17",
+          "Wabbajack.Networking.WabbajackClientApi": "0.3.17"
         },
         "runtime": {
           "Wabbajack.Downloaders.Dispatcher.dll": {}
         }
       },
-      "Wabbajack.Downloaders.GameFile/0.3.16": {
+      "Wabbajack.Downloaders.GameFile/0.3.17": {
         "dependencies": {
           "GameFinder.StoreHandlers.EADesktop": "4.5.0",
           "GameFinder.StoreHandlers.EGS": "4.5.0",
@@ -1903,360 +1903,360 @@
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
           "SixLabors.ImageSharp": "3.1.6",
-          "Wabbajack.Downloaders.Interfaces": "0.3.16",
-          "Wabbajack.VFS": "0.3.16"
+          "Wabbajack.Downloaders.Interfaces": "0.3.17",
+          "Wabbajack.VFS": "0.3.17"
         },
         "runtime": {
           "Wabbajack.Downloaders.GameFile.dll": {}
         }
       },
-      "Wabbajack.Downloaders.GoogleDrive/0.3.16": {
+      "Wabbajack.Downloaders.GoogleDrive/0.3.17": {
         "dependencies": {
           "HtmlAgilityPack": "1.11.72",
           "Microsoft.AspNetCore.Http.Extensions": "2.3.0",
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
           "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
-          "Wabbajack.Common": "0.3.16",
-          "Wabbajack.DTOs": "0.3.16",
-          "Wabbajack.Downloaders.Interfaces": "0.3.16",
-          "Wabbajack.Networking.Http": "0.3.16",
-          "Wabbajack.Networking.Http.Interfaces": "0.3.16"
+          "Wabbajack.Common": "0.3.17",
+          "Wabbajack.DTOs": "0.3.17",
+          "Wabbajack.Downloaders.Interfaces": "0.3.17",
+          "Wabbajack.Networking.Http": "0.3.17",
+          "Wabbajack.Networking.Http.Interfaces": "0.3.17"
         },
         "runtime": {
           "Wabbajack.Downloaders.GoogleDrive.dll": {}
         }
       },
-      "Wabbajack.Downloaders.Http/0.3.16": {
+      "Wabbajack.Downloaders.Http/0.3.17": {
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
           "Microsoft.Extensions.Logging.Abstractions": "9.0.1",
-          "Wabbajack.Common": "0.3.16",
-          "Wabbajack.DTOs": "0.3.16",
-          "Wabbajack.Downloaders.Interfaces": "0.3.16",
-          "Wabbajack.Networking.BethesdaNet": "0.3.16",
-          "Wabbajack.Networking.Http.Interfaces": "0.3.16",
-          "Wabbajack.Paths.IO": "0.3.16"
+          "Wabbajack.Common": "0.3.17",
+          "Wabbajack.DTOs": "0.3.17",
+          "Wabbajack.Downloaders.Interfaces": "0.3.17",
+          "Wabbajack.Networking.BethesdaNet": "0.3.17",
+          "Wabbajack.Networking.Http.Interfaces": "0.3.17",
+          "Wabbajack.Paths.IO": "0.3.17"
         },
         "runtime": {
           "Wabbajack.Downloaders.Http.dll": {}
         }
       },
-      "Wabbajack.Downloaders.Interfaces/0.3.16": {
+      "Wabbajack.Downloaders.Interfaces/0.3.17": {
         "dependencies": {
           "Microsoft.Extensions.DependencyInjection": "9.0.1",
           "Microsoft.Extensions.DependencyInjection.Abstractions": "9.0.1",
-          "Wabbajack.Compression.Zip": "0.3.16",
-          "Wabbajack.DTOs": "0.3.16",
-          "Wabbajack.Paths.IO": "0.3.16"
+          "Wabbajack.Compression.Zip": "0.3.17",
+          "Wabbajack.DTOs": "0.3.17",
+          "Wabbajack.Paths.IO": "0.3.17"
         },
         "runtime": {
           "Wabbajack.Downloaders.Interfaces.dll": {}
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@@ -2264,58 +2264,58 @@
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@@ -2332,7 +2332,7 @@
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-    "jackify-engine/0.3.16": {
+    "jackify-engine/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
@@ -3021,202 +3021,202 @@
       "path": "yamldotnet/16.3.0",
       "hashPath": "yamldotnet.16.3.0.nupkg.sha512"
     },
-    "Wabbajack.CLI.Builder/0.3.16": {
+    "Wabbajack.CLI.Builder/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Common/0.3.16": {
+    "Wabbajack.Common/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Compiler/0.3.16": {
+    "Wabbajack.Compiler/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Compression.BSA/0.3.16": {
+    "Wabbajack.Compression.BSA/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Compression.Zip/0.3.16": {
+    "Wabbajack.Compression.Zip/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Configuration/0.3.16": {
+    "Wabbajack.Configuration/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.Bethesda/0.3.16": {
+    "Wabbajack.Downloaders.Bethesda/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.Dispatcher/0.3.16": {
+    "Wabbajack.Downloaders.Dispatcher/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.GameFile/0.3.16": {
+    "Wabbajack.Downloaders.GameFile/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.GoogleDrive/0.3.16": {
+    "Wabbajack.Downloaders.GoogleDrive/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.Http/0.3.16": {
+    "Wabbajack.Downloaders.Http/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.Interfaces/0.3.16": {
+    "Wabbajack.Downloaders.Interfaces/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.IPS4OAuth2Downloader/0.3.16": {
+    "Wabbajack.Downloaders.IPS4OAuth2Downloader/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.Manual/0.3.16": {
+    "Wabbajack.Downloaders.Manual/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.MediaFire/0.3.16": {
+    "Wabbajack.Downloaders.MediaFire/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.Mega/0.3.16": {
+    "Wabbajack.Downloaders.Mega/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.ModDB/0.3.16": {
+    "Wabbajack.Downloaders.ModDB/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.Nexus/0.3.16": {
+    "Wabbajack.Downloaders.Nexus/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.VerificationCache/0.3.16": {
+    "Wabbajack.Downloaders.VerificationCache/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Downloaders.WabbajackCDN/0.3.16": {
+    "Wabbajack.Downloaders.WabbajackCDN/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.DTOs/0.3.16": {
+    "Wabbajack.DTOs/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.FileExtractor/0.3.16": {
+    "Wabbajack.FileExtractor/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Hashing.PHash/0.3.16": {
+    "Wabbajack.Hashing.PHash/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Hashing.xxHash64/0.3.16": {
+    "Wabbajack.Hashing.xxHash64/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Installer/0.3.16": {
+    "Wabbajack.Installer/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.IO.Async/0.3.16": {
+    "Wabbajack.IO.Async/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Networking.BethesdaNet/0.3.16": {
+    "Wabbajack.Networking.BethesdaNet/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Networking.Discord/0.3.16": {
+    "Wabbajack.Networking.Discord/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Networking.GitHub/0.3.16": {
+    "Wabbajack.Networking.GitHub/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Networking.Http/0.3.16": {
+    "Wabbajack.Networking.Http/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Networking.Http.Interfaces/0.3.16": {
+    "Wabbajack.Networking.Http.Interfaces/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Networking.NexusApi/0.3.16": {
+    "Wabbajack.Networking.NexusApi/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Networking.WabbajackClientApi/0.3.16": {
+    "Wabbajack.Networking.WabbajackClientApi/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Paths/0.3.16": {
+    "Wabbajack.Paths/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Paths.IO/0.3.16": {
+    "Wabbajack.Paths.IO/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.RateLimiter/0.3.16": {
+    "Wabbajack.RateLimiter/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Server.Lib/0.3.16": {
+    "Wabbajack.Server.Lib/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.Services.OSIntegrated/0.3.16": {
+    "Wabbajack.Services.OSIntegrated/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.VFS/0.3.16": {
+    "Wabbajack.VFS/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""
     },
-    "Wabbajack.VFS.Interfaces/0.3.16": {
+    "Wabbajack.VFS.Interfaces/0.3.17": {
       "type": "project",
       "serviceable": false,
       "sha512": ""

jackify/frontends/gui/dialogs/update_dialog.py

@@ -256,18 +256,24 @@ class UpdateDialog(QDialog):
             self.downloaded_path = downloaded_path
             self.progress_label.setText("Download completed successfully!")
             self.progress_bar.setValue(100)
-            
-            # Show install button
-            self.download_button.setVisible(False)
-            self.install_button.setVisible(True)
-            
-            # Re-enable other buttons
-            self.later_button.setEnabled(True)
-            self.skip_button.setEnabled(True)
-            
+
+            # Check if auto-restart is enabled
+            if self.auto_restart_checkbox.isChecked():
+                # Auto-install immediately
+                self.progress_label.setText("Auto-installing update...")
+                self.install_update()
+            else:
+                # Show install button for manual installation
+                self.download_button.setVisible(False)
+                self.install_button.setVisible(True)
+
+                # Re-enable other buttons
+                self.later_button.setEnabled(True)
+                self.skip_button.setEnabled(True)
+
         else:
             self.show_error("Download Failed", "Failed to download the update. Please try again later.")
-            
+
             # Reset UI
             self.progress_group.setVisible(False)
             self.download_button.setEnabled(True)

jackify/frontends/gui/main.py

@@ -303,29 +303,50 @@ class SettingsDialog(QDialog):
         general_layout.addWidget(api_group)
         general_layout.addSpacing(12)
 
-        # --- Default Proton Version Section ---
-        proton_group = QGroupBox("Default Proton Version")
+        # --- Proton Version Settings Section ---
+        proton_group = QGroupBox("Proton Version Settings")
         proton_group.setStyleSheet("QGroupBox { border: 1px solid #555; border-radius: 6px; margin-top: 8px; padding: 8px; background: #23282d; } QGroupBox:title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; font-weight: bold; color: #fff; }")
-        proton_layout = QHBoxLayout()
+        proton_layout = QVBoxLayout()
         proton_group.setLayout(proton_layout)
 
-        self.proton_dropdown = QComboBox()
-        self.proton_dropdown.setToolTip("Select default Proton version for shortcut creation and texture processing")
-        self.proton_dropdown.setMinimumWidth(200)
+        # Install Proton Version (for jackify-engine texture processing)
+        install_proton_layout = QHBoxLayout()
+        self.install_proton_dropdown = QComboBox()
+        self.install_proton_dropdown.setToolTip("Proton version for modlist installation and texture processing (requires fast Proton)")
+        self.install_proton_dropdown.setMinimumWidth(200)
 
-        # Populate Proton dropdown
-        self._populate_proton_dropdown()
+        install_refresh_btn = QPushButton("↻")
+        install_refresh_btn.setFixedSize(30, 30)
+        install_refresh_btn.setToolTip("Refresh install Proton version list")
+        install_refresh_btn.clicked.connect(self._refresh_install_proton_dropdown)
 
-        # Refresh button for Proton detection
-        refresh_btn = QPushButton("↻")
-        refresh_btn.setFixedSize(30, 30)
-        refresh_btn.setToolTip("Refresh Proton version list")
-        refresh_btn.clicked.connect(self._refresh_proton_dropdown)
+        install_proton_layout.addWidget(QLabel("Install Proton:"))
+        install_proton_layout.addWidget(self.install_proton_dropdown)
+        install_proton_layout.addWidget(install_refresh_btn)
+        install_proton_layout.addStretch()
 
-        proton_layout.addWidget(QLabel("Proton Version:"))
-        proton_layout.addWidget(self.proton_dropdown)
-        proton_layout.addWidget(refresh_btn)
-        proton_layout.addStretch()
+        # Game Proton Version (for game shortcuts)
+        game_proton_layout = QHBoxLayout()
+        self.game_proton_dropdown = QComboBox()
+        self.game_proton_dropdown.setToolTip("Proton version for game shortcuts (can be any Proton 9+)")
+        self.game_proton_dropdown.setMinimumWidth(200)
+
+        game_refresh_btn = QPushButton("↻")
+        game_refresh_btn.setFixedSize(30, 30)
+        game_refresh_btn.setToolTip("Refresh game Proton version list")
+        game_refresh_btn.clicked.connect(self._refresh_game_proton_dropdown)
+
+        game_proton_layout.addWidget(QLabel("Game Proton:"))
+        game_proton_layout.addWidget(self.game_proton_dropdown)
+        game_proton_layout.addWidget(game_refresh_btn)
+        game_proton_layout.addStretch()
+
+        proton_layout.addLayout(install_proton_layout)
+        proton_layout.addLayout(game_proton_layout)
+
+        # Populate both Proton dropdowns
+        self._populate_install_proton_dropdown()
+        self._populate_game_proton_dropdown()
 
         general_layout.addWidget(proton_group)
         general_layout.addSpacing(12)
@@ -416,6 +437,22 @@ class SettingsDialog(QDialog):
             self.bandwidth_spin = None  # No bandwidth UI if Downloads resource doesn't exist
 
         advanced_layout.addWidget(resource_group)
+
+        # Component Installation Method Section
+        component_group = QGroupBox("Component Installation")
+        component_group.setStyleSheet("QGroupBox { border: 1px solid #555; border-radius: 6px; margin-top: 8px; padding: 8px; background: #23282d; } QGroupBox:title { subcontrol-origin: margin; left: 10px; padding: 0 3px 0 3px; font-weight: bold; color: #fff; }")
+        component_layout = QVBoxLayout()
+        component_group.setLayout(component_layout)
+
+        self.use_winetricks_checkbox = QCheckBox("Use winetricks for component installation (faster)")
+        self.use_winetricks_checkbox.setChecked(self.config_handler.get('use_winetricks_for_components', True))
+        self.use_winetricks_checkbox.setToolTip(
+            "When enabled: Uses winetricks for most components (faster) and protontricks for legacy .NET versions (dotnet40, dotnet472, dotnet48) which are more reliable.\n"
+            "When disabled: Uses protontricks for all components (legacy behavior, slower but more compatible)."
+        )
+        component_layout.addWidget(self.use_winetricks_checkbox)
+
+        advanced_layout.addWidget(component_group)
         advanced_layout.addStretch()  # Add stretch to push content to top
 
         self.tab_widget.addTab(advanced_tab, "Advanced")
@@ -488,167 +525,250 @@ class SettingsDialog(QDialog):
         except:
             return 'auto'
 
-    def _populate_proton_dropdown(self):
-        """Populate Proton version dropdown with detected versions (includes GE-Proton and Valve Proton)"""
+    def _populate_install_proton_dropdown(self):
+        """Populate Install Proton dropdown (Experimental/GE-Proton 10+ only for fast texture processing)"""
         try:
             from jackify.backend.handlers.wine_utils import WineUtils
 
-            # Get all available Proton versions (GE-Proton + Valve Proton)
+            # Get all available Proton versions
             available_protons = WineUtils.scan_all_proton_versions()
 
             # Add "Auto" option first
-            self.proton_dropdown.addItem("Auto", "auto")
+            self.install_proton_dropdown.addItem("Auto (Recommended)", "auto")
+
+            # Filter for fast Proton versions only
+            fast_protons = []
+            slow_protons = []
 
-            # Add detected Proton versions with type indicators
             for proton in available_protons:
                 proton_name = proton.get('name', 'Unknown Proton')
                 proton_type = proton.get('type', 'Unknown')
 
-                # Format display name to show type for clarity
+                is_fast_proton = False
+
+                # Fast Protons: Experimental, GE-Proton 10+
+                if proton_name == "Proton - Experimental":
+                    is_fast_proton = True
+                elif proton_type == 'GE-Proton':
+                    # For GE-Proton, check major_version field
+                    major_version = proton.get('major_version', 0)
+                    if major_version >= 10:
+                        is_fast_proton = True
+
+                if is_fast_proton:
+                    if proton_type == 'GE-Proton':
+                        display_name = f"{proton_name} (GE)"
+                    else:
+                        display_name = proton_name
+                    fast_protons.append((display_name, str(proton['path'])))
+                else:
+                    # Slow Protons: Valve 9, 10 beta, older GE-Proton, etc.
+                    if proton_type == 'GE-Proton':
+                        display_name = f"{proton_name} (GE) (Slow texture processing)"
+                    else:
+                        display_name = f"{proton_name} (Slow texture processing)"
+                    slow_protons.append((display_name, str(proton['path'])))
+
+            # Add fast Protons first
+            for display_name, path in fast_protons:
+                self.install_proton_dropdown.addItem(display_name, path)
+
+            # Add separator and slow Protons with warnings
+            if slow_protons:
+                self.install_proton_dropdown.insertSeparator(self.install_proton_dropdown.count())
+                for display_name, path in slow_protons:
+                    self.install_proton_dropdown.addItem(display_name, path)
+
+            # Load saved preference
+            saved_proton = self.config_handler.get('proton_path', self._get_proton_10_path())
+            self._set_dropdown_selection(self.install_proton_dropdown, saved_proton)
+
+        except Exception as e:
+            logger.error(f"Failed to populate install Proton dropdown: {e}")
+            self.install_proton_dropdown.addItem("Auto (Recommended)", "auto")
+
+    def _populate_game_proton_dropdown(self):
+        """Populate Game Proton dropdown (any Proton 9+ for game compatibility)"""
+        try:
+            from jackify.backend.handlers.wine_utils import WineUtils
+
+            # Get all available Proton versions
+            available_protons = WineUtils.scan_all_proton_versions()
+
+            # Add "Same as Install" option first
+            self.game_proton_dropdown.addItem("Same as Install Proton", "same_as_install")
+
+            # Add all Proton 9+ versions
+            for proton in available_protons:
+                proton_name = proton.get('name', 'Unknown Proton')
+                proton_type = proton.get('type', 'Unknown')
+
+                # Add type indicator for clarity
                 if proton_type == 'GE-Proton':
                     display_name = f"{proton_name} (GE)"
-                elif proton_type == 'Valve-Proton':
-                    display_name = f"{proton_name}"
                 else:
                     display_name = proton_name
 
-                self.proton_dropdown.addItem(display_name, str(proton['path']))
+                self.game_proton_dropdown.addItem(display_name, str(proton['path']))
 
-            # Load saved preference and determine UI selection
-            saved_proton = self.config_handler.get('proton_path', self._get_proton_10_path())
-
-            # Check if saved path matches any specific Proton in dropdown
-            found_match = False
-            for i in range(self.proton_dropdown.count()):
-                if self.proton_dropdown.itemData(i) == saved_proton:
-                    self.proton_dropdown.setCurrentIndex(i)
-                    found_match = True
-                    break
-
-            # If no exact match found, check if it's a resolved auto-selection
-            if not found_match and saved_proton != "auto":
-                # This means config has a resolved path from previous "Auto" selection
-                # Show "Auto" in UI since user chose auto-detection
-                for i in range(self.proton_dropdown.count()):
-                    if self.proton_dropdown.itemData(i) == "auto":
-                        self.proton_dropdown.setCurrentIndex(i)
-                        break
+            # Load saved preference
+            saved_game_proton = self.config_handler.get('game_proton_path', 'same_as_install')
+            self._set_dropdown_selection(self.game_proton_dropdown, saved_game_proton)
 
         except Exception as e:
-            logger.error(f"Failed to populate Proton dropdown: {e}")
-            # Fallback: just show auto
-            self.proton_dropdown.addItem("Auto", "auto")
+            logger.error(f"Failed to populate game Proton dropdown: {e}")
+            self.game_proton_dropdown.addItem("Same as Install Proton", "same_as_install")
 
-    def _refresh_proton_dropdown(self):
-        """Refresh Proton dropdown with latest detected versions"""
-        current_selection = self.proton_dropdown.currentData()
-        self.proton_dropdown.clear()
-        self._populate_proton_dropdown()
-
-        # Restore selection if still available
-        for i in range(self.proton_dropdown.count()):
-            if self.proton_dropdown.itemData(i) == current_selection:
-                self.proton_dropdown.setCurrentIndex(i)
+    def _set_dropdown_selection(self, dropdown, saved_value):
+        """Helper to set dropdown selection based on saved value"""
+        found_match = False
+        for i in range(dropdown.count()):
+            if dropdown.itemData(i) == saved_value:
+                dropdown.setCurrentIndex(i)
+                found_match = True
                 break
 
+        # If no exact match and not auto/same_as_install, select first option
+        if not found_match and saved_value not in ["auto", "same_as_install"]:
+            dropdown.setCurrentIndex(0)
+
+    def _refresh_install_proton_dropdown(self):
+        """Refresh Install Proton dropdown"""
+        current_selection = self.install_proton_dropdown.currentData()
+        self.install_proton_dropdown.clear()
+        self._populate_install_proton_dropdown()
+        self._set_dropdown_selection(self.install_proton_dropdown, current_selection)
+
+    def _refresh_game_proton_dropdown(self):
+        """Refresh Game Proton dropdown"""
+        current_selection = self.game_proton_dropdown.currentData()
+        self.game_proton_dropdown.clear()
+        self._populate_game_proton_dropdown()
+        self._set_dropdown_selection(self.game_proton_dropdown, current_selection)
+
     def _save(self):
-        # Validate values
-        for k, (multithreading_checkbox, max_tasks_spin) in self.resource_edits.items():
-            if max_tasks_spin.value() > 128:
-                self.error_label.setText(f"Invalid value for {k}: Max Tasks must be <= 128.")
+        try:
+            # Validate values (only if resource_edits exist)
+            for k, (multithreading_checkbox, max_tasks_spin) in self.resource_edits.items():
+                if max_tasks_spin.value() > 128:
+                    self.error_label.setText(f"Invalid value for {k}: Max Tasks must be <= 128.")
+                    return
+            if self.bandwidth_spin and self.bandwidth_spin.value() > 1000000:
+                self.error_label.setText("Bandwidth limit must be <= 1,000,000 KB/s.")
                 return
-        if self.bandwidth_spin and self.bandwidth_spin.value() > 1000000:
-            self.error_label.setText("Bandwidth limit must be <= 1,000,000 KB/s.")
-            return
-        self.error_label.setText("")
-        # Save resource settings
-        for k, (multithreading_checkbox, max_tasks_spin) in self.resource_edits.items():
-            resource_data = self.resource_settings.get(k, {})
-            resource_data['MaxTasks'] = max_tasks_spin.value()
-            self.resource_settings[k] = resource_data
-        
-        # Save bandwidth limit to Downloads resource MaxThroughput (only if bandwidth UI exists)
-        if self.bandwidth_spin:
-            if "Downloads" not in self.resource_settings:
-                self.resource_settings["Downloads"] = {"MaxTasks": 16}  # Provide default MaxTasks
-            self.resource_settings["Downloads"]["MaxThroughput"] = self.bandwidth_spin.value()
-        
-        # Save all resource settings (including bandwidth) in one operation
-        self._save_json(self.resource_settings_path, self.resource_settings)
-        
-        # Save debug mode to config
-        self.config_handler.set('debug_mode', self.debug_checkbox.isChecked())
-        # Save API key
-        api_key = self.api_key_edit.text().strip()
-        self.config_handler.save_api_key(api_key)
-        # Save modlist base dirs
-        self.config_handler.set("modlist_install_base_dir", self.install_dir_edit.text().strip())
-        self.config_handler.set("modlist_downloads_base_dir", self.download_dir_edit.text().strip())
-        # Save jackify data directory (always store actual path, never None)
-        jackify_data_dir = self.jackify_data_dir_edit.text().strip()
-        self.config_handler.set("jackify_data_dir", jackify_data_dir)
+            self.error_label.setText("")
 
-        # Save Proton selection - resolve "auto" to actual path
-        selected_proton_path = self.proton_dropdown.currentData()
-        if selected_proton_path == "auto":
-            # Resolve "auto" to actual best Proton path using unified detection
-            try:
-                from jackify.backend.handlers.wine_utils import WineUtils
-                best_proton = WineUtils.select_best_proton()
+            # Save resource settings
+            for k, (multithreading_checkbox, max_tasks_spin) in self.resource_edits.items():
+                resource_data = self.resource_settings.get(k, {})
+                resource_data['MaxTasks'] = max_tasks_spin.value()
+                self.resource_settings[k] = resource_data
 
-                if best_proton:
-                    resolved_path = str(best_proton['path'])
-                    resolved_version = best_proton['name']
-                else:
-                    resolved_path = "auto"
-                    resolved_version = "auto"
-            except:
-                resolved_path = "auto"
-                resolved_version = "auto"
-        else:
-            # User selected specific Proton version
-            resolved_path = selected_proton_path
-            # Extract version from dropdown text
-            resolved_version = self.proton_dropdown.currentText()
+            # Save bandwidth limit to Downloads resource MaxThroughput (only if bandwidth UI exists)
+            if self.bandwidth_spin:
+                if "Downloads" not in self.resource_settings:
+                    self.resource_settings["Downloads"] = {"MaxTasks": 16}  # Provide default MaxTasks
+                self.resource_settings["Downloads"]["MaxThroughput"] = self.bandwidth_spin.value()
 
-        self.config_handler.set("proton_path", resolved_path)
-        self.config_handler.set("proton_version", resolved_version)
+            # Save all resource settings (including bandwidth) in one operation
+            self._save_json(self.resource_settings_path, self.resource_settings)
 
-        # Force immediate save and verify
-        save_result = self.config_handler.save_config()
-        if not save_result:
-            self.logger.error("Failed to save Proton configuration")
-        else:
-            self.logger.info(f"Saved Proton config: path={resolved_path}, version={resolved_version}")
-            # Verify the save worked by reading it back
-            saved_path = self.config_handler.get("proton_path")
-            if saved_path != resolved_path:
-                self.logger.error(f"Config save verification failed: expected {resolved_path}, got {saved_path}")
+            # Save debug mode to config
+            self.config_handler.set('debug_mode', self.debug_checkbox.isChecked())
+            # Save API key
+            api_key = self.api_key_edit.text().strip()
+            self.config_handler.save_api_key(api_key)
+            # Save modlist base dirs
+            self.config_handler.set("modlist_install_base_dir", self.install_dir_edit.text().strip())
+            self.config_handler.set("modlist_downloads_base_dir", self.download_dir_edit.text().strip())
+            # Save jackify data directory (always store actual path, never None)
+            jackify_data_dir = self.jackify_data_dir_edit.text().strip()
+            self.config_handler.set("jackify_data_dir", jackify_data_dir)
+
+            # Save Install Proton selection - resolve "auto" to actual path
+            selected_install_proton_path = self.install_proton_dropdown.currentData()
+            if selected_install_proton_path == "auto":
+                # Resolve "auto" to actual best Proton path using unified detection
+                try:
+                    from jackify.backend.handlers.wine_utils import WineUtils
+                    best_proton = WineUtils.select_best_proton()
+
+                    if best_proton:
+                        resolved_install_path = str(best_proton['path'])
+                        resolved_install_version = best_proton['name']
+                    else:
+                        resolved_install_path = "auto"
+                        resolved_install_version = "auto"
+                except:
+                    resolved_install_path = "auto"
+                    resolved_install_version = "auto"
             else:
-                self.logger.debug("Config save verified successfully")
-        
-        # Refresh cached paths in GUI screens if Jackify directory changed
-        self._refresh_gui_paths()
-        
-        # Check if debug mode changed and prompt for restart
-        new_debug_mode = self.debug_checkbox.isChecked()
-        if new_debug_mode != self._original_debug_mode:
-            reply = MessageService.question(self, "Restart Required", "Debug mode change requires a restart. Restart Jackify now?", safety_level="low")
-            if reply == QMessageBox.Yes:
-                import os, sys
-                # User requested restart - do it regardless of execution environment
-                self.accept()
+                # User selected specific Proton version
+                resolved_install_path = selected_install_proton_path
+                # Extract version from dropdown text
+                resolved_install_version = self.install_proton_dropdown.currentText()
 
-                # Check if running from AppImage
-                if os.environ.get('APPIMAGE'):
-                    # AppImage: restart the AppImage
-                    os.execv(os.environ['APPIMAGE'], [os.environ['APPIMAGE']] + sys.argv[1:])
+            self.config_handler.set("proton_path", resolved_install_path)
+            self.config_handler.set("proton_version", resolved_install_version)
+
+            # Save Game Proton selection
+            selected_game_proton_path = self.game_proton_dropdown.currentData()
+            if selected_game_proton_path == "same_as_install":
+                # Use same as install proton
+                resolved_game_path = resolved_install_path
+                resolved_game_version = resolved_install_version
+            else:
+                # User selected specific game Proton version
+                resolved_game_path = selected_game_proton_path
+                resolved_game_version = self.game_proton_dropdown.currentText()
+
+            self.config_handler.set("game_proton_path", resolved_game_path)
+            self.config_handler.set("game_proton_version", resolved_game_version)
+
+            # Save component installation method preference
+            self.config_handler.set("use_winetricks_for_components", self.use_winetricks_checkbox.isChecked())
+
+            # Force immediate save and verify
+            save_result = self.config_handler.save_config()
+            if not save_result:
+                self.logger.error("Failed to save Proton configuration")
+            else:
+                self.logger.info(f"Saved Proton config: install_path={resolved_install_path}, game_path={resolved_game_path}")
+                # Verify the save worked by reading it back
+                saved_path = self.config_handler.get("proton_path")
+                if saved_path != resolved_install_path:
+                    self.logger.error(f"Config save verification failed: expected {resolved_install_path}, got {saved_path}")
                 else:
-                    # Dev mode: restart the Python module
-                    os.execv(sys.executable, [sys.executable, '-m', 'jackify.frontends.gui'] + sys.argv[1:])
-                return
-        MessageService.information(self, "Settings Saved", "Settings have been saved successfully.", safety_level="low")
-        self.accept()
+                    self.logger.debug("Config save verified successfully")
+
+            # Refresh cached paths in GUI screens if Jackify directory changed
+            self._refresh_gui_paths()
+
+            # Check if debug mode changed and prompt for restart
+            new_debug_mode = self.debug_checkbox.isChecked()
+            if new_debug_mode != self._original_debug_mode:
+                reply = MessageService.question(self, "Restart Required", "Debug mode change requires a restart. Restart Jackify now?", safety_level="low")
+                if reply == QMessageBox.Yes:
+                    import os, sys
+                    # User requested restart - do it regardless of execution environment
+                    self.accept()
+
+                    # Check if running from AppImage
+                    if os.environ.get('APPIMAGE'):
+                        # AppImage: restart the AppImage
+                        os.execv(os.environ['APPIMAGE'], [os.environ['APPIMAGE']] + sys.argv[1:])
+                    else:
+                        # Dev mode: restart the Python module
+                        os.execv(sys.executable, [sys.executable, '-m', 'jackify.frontends.gui'] + sys.argv[1:])
+                    return
+
+            # If we get here, no restart was needed
+            MessageService.information(self, "Settings Saved", "Settings have been saved successfully.", safety_level="low")
+            self.accept()
+
+        except Exception as e:
+            self.logger.error(f"Error saving settings: {e}")
+            MessageService.warning(self, "Save Error", f"Failed to save settings: {e}", safety_level="medium")
 
     def _refresh_gui_paths(self):
         """Refresh cached paths in all GUI screens."""

jackify/frontends/gui/screens/configure_existing_modlist.py

@@ -499,6 +499,7 @@ class ConfigureExistingModlistScreen(QWidget):
                         # For existing modlists, add resolution if specified
                         if self.resolution != "Leave unchanged":
                             modlist_context.resolution = self.resolution.split()[0]
+                        # Note: If "Leave unchanged" is selected, resolution stays None (no fallback needed)
                         
                         # Define callbacks
                         def progress_callback(message):

jackify/frontends/gui/screens/configure_new_modlist.py

@@ -1184,7 +1184,7 @@ class ConfigureNewModlistScreen(QWidget):
                             nexus_api_key='',  # Not needed for configuration
                             modlist_value='',  # Not needed for existing modlist
                             modlist_source='existing',
-                            resolution=self.context.get('resolution'),
+                            resolution=self.context.get('resolution') or get_resolution_fallback(None),
                             skip_confirmation=True
                         )
                         

jackify/frontends/gui/screens/install_modlist.py

@@ -1746,7 +1746,14 @@ class InstallModlistScreen(QWidget):
             
             # Save resolution for later use in configuration
             resolution = self.resolution_combo.currentText()
-            self._current_resolution = resolution.split()[0] if resolution != "Leave unchanged" else None
+            # Extract resolution properly (e.g., "1280x800" from "1280x800 (Steam Deck)")
+            if resolution != "Leave unchanged":
+                if " (" in resolution:
+                    self._current_resolution = resolution.split(" (")[0]
+                else:
+                    self._current_resolution = resolution
+            else:
+                self._current_resolution = None
             
             # Use automated prefix creation instead of manual steps
             debug_print("DEBUG: Starting automated prefix creation workflow")
@@ -1760,7 +1767,14 @@ class InstallModlistScreen(QWidget):
         # Ensure _current_resolution is always set before starting workflow
         if not hasattr(self, '_current_resolution') or self._current_resolution is None:
             resolution = self.resolution_combo.currentText() if hasattr(self, 'resolution_combo') else None
-            self._current_resolution = resolution.split()[0] if resolution and resolution != "Leave unchanged" else None
+            # Extract resolution properly (e.g., "1280x800" from "1280x800 (Steam Deck)")
+            if resolution and resolution != "Leave unchanged":
+                if " (" in resolution:
+                    self._current_resolution = resolution.split(" (")[0]
+                else:
+                    self._current_resolution = resolution
+            else:
+                self._current_resolution = None
         """Start the automated prefix creation workflow"""
         try:
             # Disable controls during installation