This problem is not windows, but reason is the only ramdisk, fix step by step
1. You need prefer MS-DOS boot disk(on floppy, cd, removable disk)
2. CHKDSK /f Drive Letter : (CHKDSK /f N:) if you removable drive letter N
3.Del drive letter:*.* (Del N:*.*)
4.Format N:
5.restart
May you do well!
EZ http://peacefuldude.hi5.com/
August 2007