I have found that even if you don't have menu icon set (for example if “button_layout” in “/ → apps → metacity → general” is ":minimize,maximize,close") and use a keyboard shortcut (default "Alt- Space") to open the window menu then the gtk-window-decorator also crashes.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/777364 Title: gtk-window-decorator chrashed when clicking one the “menu” icon on the title bar of any window. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs