: Right-click Call of Duty in your library → Properties → Installed Files → Verify integrity of game files .
: Go to your Documents folder and delete or rename the Call of Duty folder. This resets your graphics and audio settings but often fixes "fake" launches where the game starts and immediately closes. How to Fix Warzone 2.0 Crashing on Startup/Not ...
Corrupted data is the most common cause of startup failure. This process identifies and replaces missing or broken files. : Right-click Call of Duty in your library