Sims 4 Unable To Start There Was An Error Processing The Startup Configuration Script Exclusive < 2025 >

Delete the localthumbcache.package file located in your main The Sims 4 folder.

The error typically occurs when the game cannot read critical configuration files, often due to corrupted mods, manual edits to game files, or sync issues with cloud storage like OneDrive . Immediate Solutions Delete the localthumbcache