If you are seeing the error: , you are not alone. This specific error has plagued players since the Horse Ranch and For Rent expansions, but it continues to appear after patches, game updates, or mod installs.
In some cases, your antivirus software or Windows Defender might flag the game’s startup script as a threat, preventing it from running. This is what the "exclusive" part of the error often refers to—the system is blocking access to the file.
Specifically, the Ts4CommonRules.sgr file or an extra GraphicsRules.sgr in the override folder. Step-by-Step Fixes for The Sims 4 Startup Error 1. Clear the ConfigOverride Folder (Most Common Fix)
If you manually edit these files to force the game to recognize a new GPU, add custom lighting overrides, or if a recent game patch renders your custom configurations incompatible, the startup script fails. The game enters a loop, cannot process the initialization, and crashes to the desktop with this error message. Step-by-Step Fixes 1. Clear the ConfigOverride Folder If you are seeing the error: , you are not alone
If the error persists, proceed to the detailed solutions below.
If the error persists, the issue may lie within the launcher components rather than the game itself. Uninstall the EA App via the Windows Control Panel.
The causes of this error can be related to: This is what the "exclusive" part of the
Sometimes, the "startup configuration script" error arises because the game cannot communicate correctly with your graphics card, particularly after a Windows update or when using outdated drivers.
inside this folder, or move the contents to your desktop. Attempt to launch the game through your launcher.
Security software can sometimes mistakenly flag The Sims 4 processes as a threat and block them from launching. Clear the ConfigOverride Folder (Most Common Fix) If
If you are playing on macOS and manually override your settings to improve performance or fix resolution issues, a recent game patch changed how these scripts execute. Leaving only a modified GraphicsRules.sgr file in the override folder causes an instant startup script error.
Move your Mods folder from Documents\Electronic Arts\The Sims 4 to your desktop.
The "startup configuration script" referenced in the error is often the Options.ini file. If this file has a single erroneous character (e.g., a resolution your monitor no longer supports), the game cannot apply exclusive settings.