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

Ensure your graphics drivers are up to date via the NVIDIA GeForce Experience or AMD Software portals.

And then he saw it.

In addition, players can also try running the game as an administrator. This can help resolve any permission issues that may be preventing the game from accessing necessary files or directories. To run the game as an administrator, players need to right-click on the Sims 4 executable file, select "Run as administrator", and then launch the game. Ensure your graphics drivers are up to date

Many antivirus programs (especially McAfee, Norton, and Bitdefender) use "exclusive scanning." When you launch Sims 4 , the AV locks the .ini and .sgr files to scan them. The game then asks for exclusive access, finds the file locked, and throws the error. This can help resolve any permission issues that

Do not just drag all your mods back. One bad script mod is holding exclusive access. The game then asks for exclusive access, finds

Microsoft OneDrive is a frequent culprit. If it is syncing your Documents folder, it locks files milliseconds before Sims 4 tries to access them.