http://bugs.winehq.org/show_bug.cgi?id=31688
--- Comment #5 from Hans Leidekker hans@meelstraat.net 2012-09-13 03:49:33 CDT --- Please try this with plain wine in a fresh prefix:
1. wine uninstaller --remove '{E45D8920-A758-4088-B6C6-31DBB276992E}' 2. WINEDLLOVERRIDES=fusion=b wine dotNetFx40_Full_x86_x64.exe 3. WINEDLLOVERRIDES=mscoree=n wine mt5.exe