http://bugs.winehq.org/show_bug.cgi?id=15590
--- Comment #24 from Dan Kegel dank@kegel.com 2009-03-05 02:00:51 --- Yes, if you could nail down the reason it fails on one system but not the other, that would be interesting. WINEDEBUG=+msi may be helpful here if the installer is misbehaving.