Sims 4 Unable To Start There Was An Error Processing The Startup Configuration Script Exclusive [repack]

Also delete: Documents\Electronic Arts\The Sims 4\saves → , keep that. But inside the main TS4 folder, look for lastException.txt or lastUIException.txt and delete them too.

The word “exclusive” in the error often points to a script expecting a single instance (like a loading overlay) but finding another process interfering. This is almost always a mod conflict or antivirus locking the file . Step 1 and Step 5 solve ~95% of cases.

If the game starts successfully, one of your mods is the problem. This is almost always a mod conflict or

Standard "Run as Admin" often fails for this error. You need to run both the launcher and the game engine.

Any mod ending in .ts4script . These require exclusive access to run. Two script mods fighting for the same hook will trigger this error. Standard "Run as Admin" often fails for this error

Elias blinked, the terror of the 'void' already fading from his memory, replaced by the programmed desire to make pancakes. He smiled, the green diamond pulsing steadily above him, and turned toward the kitchen, waiting for the next command.

Instead of placing a copy in ConfigOverride , you must now directly edit the original file. Navigate to: The Sims 4.app > Contents > Resources . Edit the GraphicsRules.sgr file there. If you ever want to revert to the default file, simply perform a game repair in the EA App. but like any complex game

The Sims 4 is a beloved title, but like any complex game, it isn't immune to technical hiccups. One of the most frustrating roadblocks players encounter is the error message: "Unable to start. There was an error processing the startup configuration script (exclusive)."

Right-click the icon and select Run as Administrator .