After installing version 5.8.16 on my machines yesterday, I have uploaded 3 or 4 jobs from 2 machines. However when I attempted to connect and upload jobs from 2 Athlon 1.2 (T-bird cores) everything locked on both machines and the BOINC icon in the lower right tray had a white circle with a red X on it. I cannot even get into contol panel to see if I can do an unistall and reinstall to get the machines back up. The two machines are not networked but are connected to the same phone line. Could it be a virus

HELP!!

Gary