Enable access to the Task ManagerIf you don't have access to the Task Manager and if you don't have a restricted user then is a good chance that your computer was infected by a virus or spyware.
Please consider installing a antivirus software like Norton 360 (we have a bargain, just check out the right menu) and scan your computer.
According to last years' statistics, nearly a third of the World's PCs were infected with viruses. Don't add yours to the count. Keep your data private, use Norton 360. Be smart. Stay protected!