Thanks a lot for your reply.

The box was checked. Typing 'resmon' yields no results. The capacity remains 465 gigs.

I suppose I'll have to reformat my hard drive some time. What's strange is, last time this happened, leaving the computer off for a week made the problem dissappear. Maybe I just need to deal with it until I go on another trip. I wouldn't mind it if I wasn't afraid it would completely crash. I have nothing backed up. I need an external hard drive or something.