YT_GAMES MASTER as said above repair your game.
Also follow the antivirus guide https://plutonium.pw/docs/antivirus/#how-do-i-fix-this-windows-defender
Also if you didn't already set your game to windowed borderless. World at War is an old game and fullscreen will cause crashes just like on the Steam version.
You should also update your GPU drivers.
You can run this redist installer too just to make sure everything is installed https://github.com/ChxseH/Redist-Installer/releases/download/latest/Redist-Installer.bat
Also last question which OS are you using? Press Win+R type winver and send a screenshot of the window that appears