[Bug 12666] Wine should refuse to run if pointed at a real Windows

http://bugs.winehq.org/show_bug.cgi?id=12666

--- Comment #13 from Austin English   2008-05-25 22:26:23 ---
(In reply to comment #12)
> Would it work to block for all drive letters?

Currently, we don't allow changing c in winecfg, but you can do anything by
manual symlinks. We don't detect windows in anyway, which is how the user is
getting around it.

Something like Lei's suggestion may be needed...