Sims 4 Unable To Start There Was An Error Processing The Startup Configuration Script Exclusive ((top)) (2027)
If none of the above works, perform a :
The startup config script is stored in your local Sims 4 folder. Removing it forces the game to regenerate a fresh one.
This should generally be the first step whenever you encounter mod-related issues, as game patches can sometimes reset your settings. If none of the above works, perform a
If the error persists, a specific script may be corrupted. Navigate to: [Game install folder]\Data\Simulation\Game\ Look for startup.lua , main.lua , or any .py script. If they are 0 KB or unreadable, again (Step 2). Do not manually edit these files —the repair will replace them.
If the above steps don't resolve the issue, try: If the error persists, a specific script may be corrupted
The causes of this error can be related to:
| Action | Purpose | |--------|---------| | Keep mods updated | Prevents script conflicts after patches | | Repair after every game update | Ensures core scripts are intact | | Exclude game folders from antivirus | Avoids false-positive blocks | | Never move or edit game script files manually | Prevents corruption | | Do not sync Documents with cloud storage while playing | Avoids file locks | Do not manually edit these files —the repair
Delete all files inside the cache , cachestr , and lotcachedata folders. ⚙️ System and Permission Fixes