http://bugs.winehq.org/show_bug.cgi?id=4966
--- Comment #6 from Roderick Colenbrander thunderbird2k@gmx.net 2007-03-15 05:08:12 --- Try this patch and see how well it works: http://roderick.student.utwente.nl/opengl.patch. It should let the child window behave correctly (so gui parts won't be black)