"beeliner, funny you should say that, after a little while there was a message that said windows can sort it with the new 2010 programme and wanted $49.95."

Extortion! I had something similar once, I didn't bite and it went away by itself after a reboot.

If that doesn't work, see a pro, s/he may also charge you fifty bucks, but will guarantee results.

Succumbing to the blackmail will only bring more of the same.