I have a dell Dimension 2400 the hard drive had well over 2000 Infections and other software problems so i formatted the drive then FDISKed it and created a new partition like you normally would now i dont have the original XP disk but i do have a copy of sp1 and sp2 the mobo sees the cdrom and the HD i can see the DIR on the rom drive but setup EXE says it cannot run in windows not sure what to do any help would be appreciated.