Click the Gear icon next to the Play button > Scan and Repair .
Many users bypass this error by launching the game's executable file ( BlackOps.exe ) directly from its installation folder rather than using a desktop shortcut or the Steam "Play" button. Exe-cannot-find-zone Black Ops Fix
The most effective fix for missing or corrupted "zone" files is the built-in repair tool in your game launcher. Click the Gear icon next to the Play
Right-click Call of Duty: Black Ops in your Library > Properties > Installed Files > Verify integrity of game files . Exe-cannot-find-zone Black Ops Fix
Right-click the game in Steam and select > Browse local files .