So what uninstall program did you use to totally remove Norton? I've tried the normal Uninstall in Windows 8 system but nothing happens. I've used successfully RevoUninstaller on older system and liked it. Anybody recommend something else that's any more effective?
I'll put this edit at the top, so that you won't have to read the rest if you don't want to. I fixed the problem by restoring my system to a restore point created the day I got the computer set up. I'll have to reinstall everything I've put on it in this last week, but that's better than...