Sims 4 Unable To Start There Was An Error Processing The Startup Configuration Script Exclusive __full__ Jun 2026

Follow this step-by-step guide to fix the issue and get your game running again. 1. Remove Broken Mods and Custom Content (CC)

By systematically isolating your mods and refreshing the game's cache files, you should be able to resolve the configuration script error and get back to managing your Sims.

: Move the entire The Sims 4 folder from Documents > Electronic Arts to your desktop. Launch the game to let it generate a fresh, clean folder. If the game starts, your old saves or mods were likely corrupted. Advanced Troubleshooting

Furthermore, conflicts with other programs can also cause this error. Players can try disabling any antivirus software or firewall programs that may be interfering with the game. Additionally, players can also try closing any unnecessary programs or background applications that may be consuming system resources. Follow this step-by-step guide to fix the issue

If nothing else works, a background application is holding exclusive rights to your hardware or file system.

Wait for the process to complete, then try launching the game. 5. Rename or Reset the The Sims 4 User Folder

Open it. If you see files named , GraphicsCards.sgr , or Ts4CommonRules.sgr , delete them or drag them to your desktop. Attempt to launch the game normally. : Move the entire The Sims 4 folder

Before we fix it, let’s decode the jargon. When The Sims 4 launches, it runs a "configuration script" (usually Default.ini or GraphicsCards.sgr ) to tell your computer how to run the game—what resolution to use, which graphics card to prioritize, and which folders to access.

Delete the localthumbcache.package file in the main The Sims 4 folder.

is typically caused by corrupted configuration files, incompatible graphics overrides, or broken mods. 1. Remove Graphics Overrides incompatible graphics overrides

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

Unable to Start: There was an error processing the startup configuration script exclusive. Affected Game: The Sims 4 (PC/Mac via EA app, Steam, or Epic Games) Issue Type: Startup/Crash on Launch