http://bugs.winehq.org/show_bug.cgi?id=14495
--- Comment #12 from Roderick Colenbrander thunderbird2k@gmx.net 2008-08-14 17:17:42 --- Try running it using WINEDEBUG=+wgl,+opengl. Also check if the app still works on Windows using a Geforce8. Though that won't say much as Nvidia might have some hack in their driver. If it works try to rename the dawn executable to something else ;)