Can't pinpoint exactly when this happened but when I try to restore to an earlier point the computer gets as far as "saving your settings" and then freezes. The only way around this appears to be rebooting. System Restore does not seem to work at all. Any suggestions why and how to "restore!" it?
Thanks Buteman. I do not use Norton (too many adverse reports of conflicts in the past) and will try Safe Mode. Hopefully it will work but does this mean that if i want to use System Restore in future I will always have to boot in Safe Mode?