
At the time of writing, there is no other workaround for this DEV Error 6165. This COD Modern Warfare error can be fixed by reinstalling the game and clean install your my GPU drivers. If you have overclocked your GPU or own a factory overclocked GPU then revert it back to its default clock speeds and the issue should be resolved. One reason that you might be getting this error is probably due to an overclocked GPU. This is another Fatal Error popping up for COD Modern Warfare players. However, this error is popping up due to the latest GPU drivers, just roll back to an older GPU version and the error will be resolved. This is another Call of Duty Modern Warfare error that players are experiencing. Go to display options and run the game in full screen windowed.Delete GPU drivers and download the latest driver updates for your GPU from the official site, don’t use Geforce Experience.

Update Windows, search for updates until it’s done for sure.
