http://bugs.winehq.org/show_bug.cgi?id=11052
--- Comment #5 from Lei Zhang thestig@google.com 2008-01-06 03:09:31 --- I guess I forgot to file a bug for it, but I have essentially the same problem in winmm where it tries to call DriverProc for a video codec that has already been unloaded. FWIW, I sent this patch:
http://winehq.org/pipermail/wine-patches/2007-December/047489.html