http://bugs.winehq.org/show_bug.cgi?id=31250
--- Comment #7 from rmlipman@gmail.com 2012-08-10 10:09:51 CDT --- I use xfce so I don't know how it works in Unity. The window rules I've been using also worked in gnome 2. I'd suggest trying an "Always on top" window rule, but if that doesn't work it might be an Ubuntu specific problem.