http://bugs.winehq.org/show_bug.cgi?id=35358
--- Comment #3 from snpukwana@gmail.com --- (In reply to comment #1)
Hmm. That backtrace is lacking, which seems like bug 34813, which was supposed to be fixed for Wine 1.7.8. :(
My first guess would be a problem with the Steam in-game community overlay. If you disable that in Steam's settings, does the problem go away?
Yes disabling the Steam in-game overlay seems to remedy the issue.