http://bugs.winehq.org/show_bug.cgi?id=31839
--- Comment #3 from Erich Hoover ehoover@mines.edu 2012-10-01 13:49:30 CDT --- (In reply to comment #2)
Operating system: Ubuntu 12.10 dev (64 bit) with the Linux kernel 3.5 Window manager: Openbox ...
Could you please try with another window manager? I suspect this issue is something in Openbox (as I do not see it in Unity).