http://bugs.winehq.org/show_bug.cgi?id=21906
--- Comment #1 from Hans Leidekker hans@meelstraat.net 2010-03-02 02:12:15 --- Created an attachment (id=26568) --> (http://bugs.winehq.org/attachment.cgi?id=26568) setupapi: Destination directory defaults to system directory.
How about this patch?