" 1) Installing appmenu-gtk adds /etc/X11/Xsession.d/80appmenu
2) This sets the environment variable UBUNTU_MENUPROXY to libappmenu.so
3) If you remove appmenu-gtk the variable is still set - and you get these errors
4) apt-get remove on appmenu-gtk leaves behind the /etc/X11/Xsession.d/80appmenu causing these errors to persist."
Fom LP 598780, some information on those error:
" 1) Installing appmenu-gtk adds /etc/X11/ Xsession. d/80appmenu Xsession. d/80appmenu causing these errors to persist."
2) This sets the environment variable UBUNTU_MENUPROXY to libappmenu.so
3) If you remove appmenu-gtk the variable is still set - and you get these errors
4) apt-get remove on appmenu-gtk leaves behind the /etc/X11/
https:/ /bugs.edge. launchpad. net/ubuntu/ +source/ appmenu- gtk/+bug/ 598780/ comments/ 2