http://bugs.winehq.org/show_bug.cgi?id=11674
--- Comment #199 from gpiez@web.de 2012-08-31 17:05:57 CDT --- If you want to use the 64 bit version, you need to run 64 bit wow with 64 bit wine.
wine64 wow-64.exe
If you don't have a wine64 you need to install it.