http://bugs.winehq.org/show_bug.cgi?id=25529
--- Comment #1 from Alexandre Julliard julliard@winehq.org 2010-12-15 16:05:52 CST --- You have to make sure the 64-bit version is set correctly ("wine64 winecfg"). After that you run into a 64-bit pointer truncation bug in the iesetup.exe code...