http://bugs.winehq.org/show_bug.cgi?id=10142
--- Comment #21 from Dmitry Timoshkov dmitry@codeweavers.com 2008-09-28 16:09:21 --- (In reply to comment #20)
Created an attachment (id=16326)
--> (http://bugs.winehq.org/attachment.cgi?id=16326) [details]
Possible fix
I've been experiencing problems with always-on-top windows disappearing when I switch desktops in compiz. I tracked the problem down to wine unmapping the window in certain situations.
Sounds like a Compiz bug. Is the problem reproduceable with other WMs?