Have you seen MUST re_cover! text showing up when you open your AutoCAD drawing? This is not an error message produced by AutoCAD or Windows, it is a text produced by a variant of acad.vlx virus that appears as a drawing. Trying to recover your file with AutoCAD recover command will not help. Your file might appear as if totally corrupted but it is not. It looks like the virus creators were not that bad when they made it, because they have given you a hint on what to do to recover your file. As you may have already noticed,… [Full Article]