I recently installed Win XP Home onto my PC after formatting the hard drive. Everything worked great and then I decided to visit the Win XP Update Site. I downloaded and installed all the recommended updates, the last one being Win XP SP 1. Then the problems stared. Evertime I switched on the PC it would get as far as the first Win XP logo and then reboot itself. It then asked if any software or hardware changes were made and did I want to reboot to the last known good configuration, which I did. Everything had worked fine up until I Installed the Win XP SP 1, so I removed it, following the recommended way of doing so. Now I occassionally get a blue screen with “unmountable boot volume” as the main error. If anybody can help I would be grateful, otherwise I’ll have to get a big hammer to fix it!