Sims 4 Unable To Start There Was An Error Processing The Startup Configuration Script Exclusive Site
: If the game loads without issues, a corrupted mod, old cache file, or localized settings file in your original folder was causing the crash. You can slowly move your old Saves and Tray (library items) folders back into the newly generated folder. Very Frustrated-Error processing | EA Forums - 11844103
: A crashing graphics driver can trigger configuration errors. Use the Display Driver Uninstaller (DDU) for a clean reinstall of your GPU drivers from the Nvidia or AMD official sites.
While most mod errors give you a "Data Execution Prevention" or "Last Exception" file, the error often appears if a script mod (like MC Command Center , Wonderful Whims , or Basemental ) is trying to write to a configuration file at the exact millisecond the game engine is trying to read it.
To avoid running into the "startup configuration script" error after future game updates, implement these best practices: : If the game loads without issues, a
Wait for the verification process to finish before launching. Open and go to your Library . Right-click The Sims 4 and select Properties . Go to the Installed Files tab. Click Verify integrity of game files . 3. Regenerate the Sims 4 User Folder
Move your Mods folder from Documents\Electronic Arts\The Sims 4 to your desktop.
Ensure your graphics drivers are up to date via the NVIDIA GeForce Experience or AMD Software portals. Use the Display Driver Uninstaller (DDU) for a
Turn off or add TS4_x64.exe as an allowed app.
If none of the above solutions work, players can try resetting the game to its default settings. This can be done by deleting the "localthumbcache" folder and the "cache" folder in the Sims 4 installation directory. Players can also try reinstalling the game or updating to the latest patch.
: Go to Documents > Electronic Arts > The Sims 4 > ConfigOverride . Open and go to your Library
The startup configuration script checks these caches first. If a cache file has a "shared lock" from a previous crash, the game sees it as busy and throws the "Exclusive" error.
Open your Library , click the three dots on The Sims 4 tile, and select Repair .
