1. Disconnect from the internet and restart to see if it is a local problem or a internet-caused one.
2. check your screen settings and disable any double screen setting or virtual desktop you might have.
3. As long as you are disconnected, let it run for some time, then try to 'grab' a window and drag it back.
4. Start Windows XP from your CD drive and run the virusscanner from there.
5. Format your harddrive and weep :redface: