So I got my windows 7 cd, and I boot up with it, it works, I choose my now free ~284gb partition on my hard drive (along side my ~350gb partition that ubutnu's on), and try to install it. It gets thought the first step "copying files" fine, but then stops at 0% at "expanding files" and after like 20 minutes, gives an error.
I have a few files on the partition though that I think might be log files, I could post them if you think that'd help.