M Michael Solomon \(MS-MVP Windows Shell/User\) Sep 4, 2003 #2 ..Dat files aren't meant to be opened. If these are for McAfee, those are the virus definition updates. You don't open those, McAfee, uses them to update its antivirus software and that should be done automatically with its updater.
..Dat files aren't meant to be opened. If these are for McAfee, those are the virus definition updates. You don't open those, McAfee, uses them to update its antivirus software and that should be done automatically with its updater.
