http://bugs.winehq.org/show_bug.cgi?id=10268
--- Comment #1 from Jonathan echidnaman@gmail.com 2007-11-01 10:00:47 --- Created an attachment (id=8915) --> (http://bugs.winehq.org/attachment.cgi?id=8915) Application crash data
It turns out the application is actually crashing upon exiting. Crash log attached.