A system restore to an earlier date is not a system abuse. I had some sort of corruption last week and system restore to a week earlier gave me a chance to visit Microsoft's site and download a free fix. whatever the problem, it has not returned and I have beefed up my antivirus software...a win all around.
On the other hand, my sister had been having problems with her keyboard and printer. Once we removed a few pounds of cat hair, everything worked just fine...until she was hacked on her Linux computer.