http://bugs.winehq.org/show_bug.cgi?id=27385
--- Comment #2 from Frédéric Delanoy frederic.delanoy@gmail.com 2011-06-04 07:42:26 CDT --- (In reply to comment #1)
Created an attachment (id=35012)
--> (http://bugs.winehq.org/attachment.cgi?id=35012) [details]
patch
does this patch help?
Yes, installation goes further. (it warns later when the installation somehow detects a firewall or anti-virus software is installed, and stops afterwards on a MSI problem, but that's another bug).
You can probably submit your patch to wine-patches.