If the game runs smoothly, your old profile was corrupted. You can manually move your old Career Mode save files (e.g., Career... ) back into the new folder, but avoid copying back the main profile or squad files. Quick Comparison of Fix Effectiveness Troubleshooting Method Success Rate Primary Issue Targeted Performance Impact Random mid-match crashes Admin & Compatibility Mode Startup crashes & black screens Improved stability Overlay Deactivation Micro-stuttering and sudden CTDs Minor FPS boost Profile Reset Career/Menu loading freezes Clears corrupted squads Tweaking Settings for Better Optimization