Had a situation where TI9 would lock the computer up at some random point during the disk imaging process. I tried disabling various apps to see if I could narrow the problem down, but with no success. Frustrating. However, good news. On a whim I turned off the overclocking in the bios and yippee. Problem gone! So I'm now looking to replace a couple of RAM sticks with a more robust pair to see if I can't have my cake and eat it too, so to speak. Just thought I'd share in case anyone else had been suffering from random lockups. Cheers, and g'day to all.