by doing this, only one user, not administrator,system,creator,or restricted had rights, just myself as "owner" (audit tab). myself had all rights except "special rights". changed vital programs,startup especially. trying to use reboot disc(3) from 'gq' "frys", which has win xp sp2. on startup, MBR file changes, shortly after, error, cant read image file. how do i reboot? SOS