http://bugs.winehq.org/show_bug.cgi?id=18811
--- Comment #18 from Hib Eris hib@hiberis.nl 2009-06-10 03:47:17 --- Created an attachment (id=21712) --> (http://bugs.winehq.org/attachment.cgi?id=21712) 0001-Fix-a-crash-when-freeing-memory.patch
This patch is untested and I am not sure it will fix the crash, but it might, so please give it a try.