>If someone has the time to look at it, I'd love a pointer on where / how >to start investigating this.. > > You could try to do a WINEDEBUG=+message,+seh log. This will give you all the messages, and a search for seh: lines will give you the exceptions that are being thrown/handled. Often, this will give information what message caused a crash in Wine control code or what notify caused a crash in application code.
Mikołaj Zalewski