Setting the UBUNTU_MENUPROXY environment variable to the empty string helps to work around the bug: http://askubuntu.com/questions/10481/how-do-i-enable-or-disable-the-global-application-menu
Setting the UBUNTU_MENUPROXY environment variable to the empty string helps to work around the bug: http:// askubuntu. com/questions/ 10481/how- do-i-enable- or-disable- the-global- application- menu