It is important to point out also that, as good as M Mouse's link to MG is, it does not call for a boot-time scan. Unlike some suggestions of running this in Safe Mode/Command prompt I am even more cynical and cautious and do not let ANY part of Windows near my machine for a boot-time scan. It needs to be run in DOS from a boot CDROM. Virii now are getting pretty clever at 'hiding' inside a Windows frame. I do not know of one which hides in DOS - yet......................