http://bugs.winehq.org/show_bug.cgi?id=20804
--- Comment #1 from Andrew Nguyen arethusa26@gmail.com 2009-11-23 02:53:15 --- I do believe this is an invalid bug. It doesn't make sense to expect the Wine loader handle non-executable files sensibly, and you can certainly do wine start installer.msi if you want to invoke the installer via a shell handler.