This is very common with the visual display. It is best just to avoid it and set up fahmon to monitor your progress. Many people here (myself included) do not even open the display under any circumstances whatsoever. In the folding FAQ there is a great guide to setting up fahmon. Check it out.
http://www.overclock.net/overclock-n...l-threads.html

http://www.overclock.net/overclock-n...l-threads.html