http://bugs.winehq.org/show_bug.cgi?id=4078
--- Comment #14 from Alexandre Julliard julliard@winehq.org 2008-11-04 07:04:35 --- Created an attachment (id=17080) --> (http://bugs.winehq.org/attachment.cgi?id=17080) Report system areas as reserved.
You could try something like this.