http://bugs.winehq.org/show_bug.cgi?id=22588
--- Comment #6 from Roderick Colenbrander thunderbird2k@gmail.com 2010-05-09 03:04:58 --- Could you have a look at http://wiki.winehq.org/3DDriverIssues? I really suspect that your 32-bit 3D drivers haven't been set up correctly. When this is the case 3D can still work (though not at full speed and with all 3d features).