I tried to run scandisk and i restarted the computer so that it could run, but i keep getting an "Unable to open drive for direct access" message. Now i can neither run scandisk nor can i restart my ...

I've got a drive that won't complete Scandisk in DOS (it just doesn't go anywhere) -- and it runs out of memory in Windows (128MB with _nothing_ open). It will complete a scandisk on another drive, ...