At work we just bought refurb Win 7 PC. When I hook it up and turn it on it tries to validate windows. Which is fine, but then we get to the Error 651. I did research this and I see what it says. I installed CC cleaner ran a scan and repaired the registry, but still no internet and the error remains. Please help.. I would appreciate any advice. I need to get this fixed ASAP and as easy as possible too. I appreciate it!!!! Thanks!!!!