I have used Win XP System Restore off and on for a year and a half with no apparent problems. The last few times I have tried to use it I get a message at the very end of the restore process that it could not complete the job and no files were changed. I know bigC does not like it from another thread, but I as a relative novice find it very useful sometimes. Fortunately I got Norton Go Back as a freebie when I renewed NIS 2006, and that seems to work fine and gives you a lot more options, but it is sloooow. Can anyone suggest why System Restore has stopped functioning? I know Spy Sweeper 4.5 gives me a dialog box every time I restore asking me if I want to allow the startup, and I check yes; that does not seem to be an issue since the restore process seems to go to completion. Could other antimalware aps be blocking file changes somehow? I have NIS 2006 and a lot of AS apps. Is it relatively straightforward to reinstall the System Restore portion of the Win XP OS if in fact the file(s) have been corrupted by malware or hardware problems? Thanks for your assistance.