http://bugs.winehq.org/show_bug.cgi?id=32315
--- Comment #6 from Nikolay Sivov bunglehead@gmail.com 2012-12-02 13:55:15 CST --- So it uses wshom to check if plugin is installed and it works with this patch, but later on it fails to create plugin control and its ProgId is not registered. So it could be installer problem or something else.