http://bugs.winehq.org/show_bug.cgi?id=9484
--- Comment #46 from Klaus Layer klaus.layer@gmx.de 2011-06-14 08:28:37 CDT --- With the new patch the crash no longer occurs. Now it tries to call NtQueryObject with a info class which is currently not supported by Wine.
You can find the new +all trace here:
http://www.galuptanum.net/mt5+patch2.log.bz2
Thanks