I haven?t had need of a virus protector in several years, but recently, after letting someone use my PC for exactly two days, I find that I?m unable to open any .exe file. None of the .exe files are working - I get a message saying WIndows cannot find C:\Program files, etc. even though they're there. I already tried doing a repair using my XP Pro cd but instead, during the reinstallation I got several missing file messages. It allowed me to skip over them but it ended up making the reinstallation totally ineffective. And when I go to Start -> Programs -> Accessories -> System Tools ->System Restore, I get the same Windows cannot find C:\Windows\system32\restore\rstrui.exe - it's like whatever file Windows uses to recognize .exe is gone. The only way I was even able to get online is by going to Start -> Connect To ->Access4Less. And the only way I'm able to browse is by opening 'My Computer' (the ONLY shortcut that is working) and typing urls in the address bar. I really don't want to have to do a whole system restore, as getting my programs, games, etc. back to their settings would take me a week, at least... Is there any way I can download whatever the file is that enables Windows to recognize .exe files? If not then maybe a really good antivirus that can identify the problem, and possibly solve it? Any help would be profoundly appreciated, thanks!!