Hi there, I'm trying to install windows 7 on my PC (18 months old), I formatted the hard disk, placed the disk in etc. etc. and the installation runs through to the 'Completing Installation' part, where I can see it runs for a while because the ellipses scroll, then it freezes and I can't use the mouse at all. I've left it in this situation for about eight hours seeing if it'd repair itself but to no avail. I cannot boot w7 as it gives me an unexpected error. I haven't a clue what to do. AMD Phenom x4 965 Radeon 6870 4GB ram 500gb HDD Asus M5A87 motherboard Would really be appreciated if I find a solution to this!