Sims 4 Unable To Start There Was An Error Processing The Startup Configuration Script Exclusive ((hot)) -

To fix the "Unable to Start: There was an error processing the startup configuration script" error in The Sims 4

The Nuclear Option: Clean Boot (Eliminate all external "Exclusive" locks)

1. Navigate to Documents\Electronic Arts\The Sims 4\
2. Find the file named Options.ini
3. Rename it to Options_old.ini (do not delete it yet).
4. Launch the game. The Sims 4 will generate a fresh, default Options.ini.
5. If the game launches, you can manually copy your old volume and UI settings from the Options_old.ini to the new one—but never copy the screen resolution or fullscreen lines.

• EA App: Library → Sims 4 → Manage (three dots) → Repair
• Steam: Right-click Sims 4 → Properties → Installed Files → Verify integrity of game files
• Origin (if still used): Library → Right-click Sims 4 → Repair Game

Furthermore, conflicts with other programs can also cause this error. Players can try disabling any antivirus software or firewall programs that may be interfering with the game. Additionally, players can also try closing any unnecessary programs or background applications that may be consuming system resources.

• Navigate to: Documents\Electronic Arts\The Sims 4\Mods
• Move every .package, .ts4script, and any subfolders to your desktop (or rename the Mods folder to Mods_Backup).
• Delete localthumbcache.package in Documents\Electronic Arts\The Sims 4.
• Launch the game. If it works → one of your mods is broken. Use the 50/50 method to find the culprit.

1. Uninstall Sims 4 via your launcher.
2. Delete both: