http://bugs.winehq.org/show_bug.cgi?id=29453
--- Comment #4 from prueboblog@gmail.com 2012-04-21 06:36:57 CDT --- Calling with "WINEDEBUG=+msi wine setup.exe" don't show more info. The demo installer seems to be different, so I don't know how give us more help.
(In reply to comment #3)
Please attach a WINEDEBUG=+msi trace.