Ensure there is a file named localization.txt . Inside, it should simply say english (or your preferred language). 4. For Plutonium or Mod Users
Right-click Call of Duty: Black Ops in your Library, select Properties , go to the Installed Files tab, and click Verify integrity of game files . call of duty black ops error exe cannot find-zone
Reinstall the game
If none of these steps resolve the issue, you may want to: Ensure there is a file named localization