Hi!
I may have the same problem as you have.
Try to switch to console by pressing Strg+Alt+F1 and kill wine (killall -SIGKILL wine or wine-preloader should do the job).
Then switch back to X by pressing Alt+F7 and look for an error message.
I also stated my problem, you might look here:
http://www.rage3d.com/board/showthread.php?t=33821114