http://bugs.winehq.org/show_bug.cgi?id=22989
--- Comment #3 from Hans Leidekker hans@meelstraat.net 2010-06-01 06:14:19 --- Created an attachment (id=28479) --> (http://bugs.winehq.org/attachment.cgi?id=28479) msi: Directly pass the disk id to the installfiles_cb callback.
Proposed fix.