Sims 4 Unable To Start There Was An Error Processing The Startup Configuration Script ((full)) Jun 2026

When The Sims 4 launches, it looks for a specific folder structure to load your saved games, mods, and critical game settings. At the core of this is the Options.ini file and the Game folder within your installation directory.

A core game file may be corrupted.

If the error persists, try moving the entire The Sims 4 folder from Documents > Electronic Arts to your desktop. Launch the game; it will create a clean folder. If the game starts, you can move your saves and Tray folders back one by one. 4. Remove Incompatible Mods and Clear Cache How To Fix The Sims 4 Unable To Start Error When The Sims 4 launches, it looks for

Windows 10 and 11 are paranoid about security. Sometimes, a background update makes your "Documents" folder read-only, meaning The Sims 4 cannot write its startup script.

Delete any files inside this folder (usually GraphicsRules.sgr or TS4CommonRules.sgr ). If the error persists, try moving the entire

The startup configuration script error is frequently linked to graphics settings. Documents > Electronic Arts > The Sims 4 > ConfigOverride Delete any files found inside this folder, especially GraphicsRules.sgr Try relaunching the game. 2. Isolate Your Mods Outdated or broken script mods are a common culprit. Move your entire Mods folder to your desktop. Delete the localthumbcache.package

If that doesn't work, roll up your sleeves. We are going to the surgical theater. it automatically rebuilds brand new

You deleted GraphicsRules.sgr and GraphicsCards.sgr . These are the startup config scripts. When the game doesn't find them, it automatically rebuilds brand new, healthy ones. Your saves, mods, and trays are untouched.