Sims 4 Unable To Start There Was An Error Processing The Startup Configuration Script Exclusive Access

Delete the localthumbcache.package file in your Sims 4 folder.

: Right-click the EA App or Steam icon and select Run as Administrator to bypass permission issues. Advanced Troubleshooting Delete the localthumbcache

When these mods fail to load properly, they sometimes leave temporary lock files behind. For a moment, there was nothing

For a moment, there was nothing. Just the distant, rhythmic sound of a hard drive spinning. Disable OneDrive syncing for the Electronic Arts folder

If OneDrive is syncing your Documents folder, it can "lock" files while the game tries to read them. Disable OneDrive syncing for the Electronic Arts folder.

| 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 |