http://bugs.winehq.org/show_bug.cgi?id=24186
--- Comment #1 from Vincent Povirk madewokherd@gmail.com 2010-09-16 16:38:11 CDT --- Could you try to get a backtrace as described at http://wiki.winehq.org/Backtraces ?
A +relay,+seh,+tid log might also be useful.