I'm pretty sure I know what the issue is now. The same thing happens (or used to) with GPU-z. I have seen a few other people report the same thing with both gpu-z and hwinfo.
Here is what Wizzard found to be the reason.
http://www.techpowerup.com/forums/showpost.php?p=2825460&postcount=21
For some reason my pc locks up occasionally when launching HWinfo64. It always seems to happen when it says "scanning ide/scsi devices". I'm at a loss on what could cause that to happen.
For some reason my debug and report file seem to be too large to upload here. So here they are on...