http://bugs.winehq.org/show_bug.cgi?id=15485
--- Comment #24 from Yves infinitevalence@gmail.com 2008-10-03 08:39:07 --- Just a little side note, if your running multiple clients in virtual desktops always use the esc key + quit or ctrl+q to close the program. Using the X on the window will close all instances of the program.