From the easiest to the most difficult

There are a few common errors in Call of Duty: Modern Warfare that can render the game unplayable. These include Dev Error 6068, 6036, 6065, and 6178. These errors are caused by a variety of known and unknown reasons, usually relating to corrupt game files or interference from third-party programs.

In this article, we’ll go over some common solutions and then go into detail about each error. The solutions are listed from easiest to hardest, so we recommend trying them in order.

Since many of these errors are likely caused by corrupt game files, forcing a reinstall or repairing the folder can often fix them. Try these common fixes before moving on to the specific errors.