My copy of XP frequently fails to implement System Restore points. I've re-installed XP, checked that System Restore is working, ie c-drive monitoring, 12% space allocated (9422MB). Ive then put a number of test Restore Points into the system and tried to restore back, but I keep on receiving 'restoration incomplete, please try another restoration point' error message. The copy of XP that I am using appears to be genuine, ie holograms on the disc, part # X10-59871 and a 16 digit serial number that is acceptable by Microsoft. It was purchased off the net from a reputable seller and is an OEM copy, so I'm not sure of its actual age. I'm thinking it could be an early version of XP that contained a number of bugs, but have no way of determining this. Can anyone help please.