had norton av doing a full scan of pc to remove "antivirus 2010" trojan/malware and left it for the weekend. came in this morning and scan had finished and said to reboot pc to finish removal proceedure. pc has come back to login screen and when i click on user and enter password pc starts to load desktop then automatically logs me out and returns back to the login screen. does the same when i booted in safe mode and used administrator login.other users on network can access resources on the pc printers etc. but locally cant get in to desktop??3 people need an answerI do too