http://bugs.winehq.org/show_bug.cgi?id=26166
--- Comment #7 from Duncan Lithgow duncan.lithgow@gmail.com 2011-04-03 03:43:28 CDT --- If you know how you could try and go back to the 260.19.06 nvidia driver - see if that makes it work again for you.
I have filed a bug with NVidia - but it hasn't shown up on their system yet.