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

The "Unable to start: There was an error processing the startup configuration script" error in The Sims 4

message, you are not alone. This error often surfaces after a patch or when players attempt to manually tweak their graphics settings. Follow these steps to get your game back up and running. 1. Clear the ConfigOverride Folder The "Unable to start: There was an error

  1. Go to Documents\Electronic Arts\The Sims 4
  2. Rename the entire The Sims 4 folder to The Sims 4_OLD
  3. Launch the game. A new, clean folder will be created.
  4. If the error disappears, move your saves and trays from _OLD to the new folder but do NOT move old Options.ini, GameVersion.txt, or script files.

Deep analysis — "Sims 4 'Unable to start — there was an error processing the startup configuration script (exclusive)'"

Summary of the error

This startup error appears when The Sims 4 launcher or game attempts to read or execute its startup configuration and fails. The parenthetical "exclusive" strongly suggests the failure occurred while acquiring or validating a file/lock/resource that must be used exclusively (e.g., a lock file, config, or DRM/anti-cheat resource). Causes span corrupted config files, permission or file-lock conflicts, broken game updates, mods/custom content interfering, anti-virus/anti-cheat blocking access, or problems with the Origin/EA Desktop/Steam client. Go to Documents\Electronic Arts\The Sims 4 Rename the

players. This issue typically occurs when the game fails to load essential configuration files—often due to corrupted data, outdated graphics rules, or conflicting mods. Deep analysis — "Sims 4 'Unable to start

  1. Open the EA App.
  2. Go to My Collection.
  3. Find The Sims 4 cover art.
  4. Click the Manage icon (three dots) -> Repair.
  5. Wait for the process to finish and launch the game.

4. Step-by-Step Solutions (Ranked by Success Rate)

✅ Fix 1: Clear EA App Cache (Works for ~80% of users)

  1. Fully exit the EA App (right-click system tray icon → Exit).
  2. Press Windows + R, type %LocalAppData%\EA Desktop and delete the Cache folder.
  3. Also navigate to %ProgramData%\EA Desktop (you may need to show hidden folders) and delete the Cache folder there.
  4. Restart the EA App and try launching Sims 4.
  1. Navigate to Documents\Electronic Arts\The Sims 4.
  2. Open the "Config" folder.
  3. Delete all files inside this folder. (Common files include: GraphicsRules.sgr, GraphicsCards.sgr, Config.log).
  4. Restart the game. It will write fresh copies.

Fix Sims 4 Initialization Error 135dec40 - Quick Guide - JustAnswer