Call Of Duty World At War Filesyscheck.cfg Error Jun 2026

Windows blocks the game from writing to its own save directory.

Delete the configuration files again using the steps from Method 2. 5. Change the Game Installation Directory call of duty world at war filesyscheck.cfg error

Sometimes the game lacks permission to read the config file located in a protected system folder. Windows blocks the game from writing to its

Sometimes Windows Defender flags legitimate game files as suspicious, blocking access. Windows Security Virus & threat protection Manage settings Exclusions Add or remove exclusions Add the entire Call of Duty: World at War installation folder to this list. Change the Game Installation Directory Sometimes the game

Sometimes, Steam repeatedly downloads your broken configuration file from the cloud. Open and go to your library.

When Call of Duty: World at War launches, the engine runs a pre-load security check. The filesyscheck.cfg file contains a list of expected hash values (checksums) for critical game files. The game compares the current state of your installation against this list. If a file has been modified (by a mod, a corrupt update, or a virus), the game either refuses to launch or flags the mismatch.