Search for "microsoft forum windows [version number]" and ask the question there. In general, it helps if you provide as much context info as possible, but at least the version of Windows you're talking about. Hth!
Kind regards,
Margriet Bruggeman
Lois & Clark IT Services
web site: http://www.loisandclark.eu
blog: http://www.sharepointdragons.com