http://bugs.winehq.org/show_bug.cgi?id=22263
--- Comment #2 from Alex Balut alexandru.balut@gmail.com 2010-04-04 01:15:29 --- You can replicate the bug with: Ctrl F, minimize and restore the main TC window (instead of switching workspaces).
Seems similar to bug 9579, but it only happens when there is another window opened by TC (but not just any window opened by TC, for example not the F5 window).