A computer running supposedly genuine and legitimate Microsoft Windows XP may start to fail the Windows Genuine Advantage (WGA) validation process, or is simply reported as being non-genuine, or not genuine by the WGA ActiveX validator. The problem may be caused by an incorrect Data.dat file or by a corrupted Data.dat file located in the %AllUsersProfile%\Application Data\Windows Genuine Advantage\data folder. To resolve and fix the … Continue reading Windows XP Incorrectly Marked As Not Genuine by WGA Validation Error