http://bugs.winehq.org/show_bug.cgi?id=14937
--- Comment #11 from Nikolay Sivov bunglehead@gmail.com 2011-04-08 16:36:30 CDT --- This seems to be a tooltip problem. If I skip WM_DESTROY handler (turn in to noop) then crash is gone.
You can use that as a workaround until bug is fixed.