http://bugs.winehq.org/show_bug.cgi?id=25715
--- Comment #3 from Christian Costa titan.costa@gmail.com 2013-06-30 09:25:09 CDT --- Class id b9f3eb85-b781-4ac1-8d90-93a05ee37d7d is CLSID_DirectPlayVoiceClient. It's from DirectPlay not quartz. That said the crash is not necessarily related to the failure of CoGetClassObject.