mine does that alot too i either have to wait for about a half hour and just leave my comp and it will work when i get back or i have to turn off my fire wall that gets realy annoying when you have it to block something and a little ballon will pop up in the middle of the game makeing me crash to ask iff something i told it to never go online can go online whos idea was it to make a game crash if its not full screen in the age of pop ups? if all else fails reinstall it i hate doing that as it takes sevral hours to get all the updates again but this ussualy will fix it