Something is wrong with my harddisk

I do often backups. :) But it's waste of time. Yesterday I got for 10 minutes "UNMOUNTABLE_BOOT_VOLUME" while booting Windows XP. I was desperate. After having given the computer a little bit free time it worked again.

When I'm back at vienna, I'm going to buy a new harddisk and more RAM. Whidbey eats a lot.