RegAdvance - Version 2.0.0 Fix Registry ErrorsInvalid entries in the registry cause application failures, data loss and system crash. RegAdvance will scan and remove these entries automatically. Optimize PC SpeedOver time the Windows registry gets cluttered with invalid and obsolete data. This slows down your PC and causes a variety of errors. PC Clean UpDelete junk files to free disk space and improve performance. Remove privacy and temporary files to protect your privacy.