http://bugs.winehq.org/show_bug.cgi?id=20053
--- Comment #5 from Henri Verbeet hverbeet@gmail.com 2009-09-15 02:03:38 --- The problem is that recent versions of the nvidia drivers generate NaN instead of infinity on division be zero. I think the spec allows that, but I'm not sure if it's intentional. 180.60 should still work with TF2.