The format.com you are using is most probably from windows 98. If you want to reformat a partition or a drive, go to Computer Management (Start, Settings, Control Panel, Administrative Tools) then look for Disk management. You could right click on what drive or partition you want to reformat there. Hope this works... Frederick PCBUILD's List Owners: Bob Wright<[log in to unmask]> Drew Dunn<[log in to unmask]>