Fix VNC Desktop Sharing on Ubuntu Desktop 14.04 Solution 1 sudo apt-get -y install dconf-tools dconf write /org/gnome/desktop/remote-access/require-encryption false /usr/lib/vino/vino-server --sm-disable start Solution 2 gsettings set org.gnome.Vino require-encryption false Source page: http://www.bonusbits.com/wiki/KB:Fix_VNC_Desktop_Sharing_on_Ubuntu_Desktop_14.04