I have the same problem. After 5-10 minutes and when i'm trying to maximize the window it crushes!
When i asked what is the possible cause of the problem they said: update your graphic card and get Windows XP! (I have ME)
(hide) If you want to find an opponent with similar playing skills to your own look in the Ratings page of the type of game you want and find a player with a similar BKR. (pauloaguia) (show all tips)