Works with latest version.
If kcontrol is still empty for you : sudo apt-get remove --purge kdebase-data && sudo rm -rf /etc/xdg/menus/kde-* && sudo apt-get install kubuntu-desktop
That will resolve your issue.
Works with latest version.
If kcontrol is still empty for you : menus/kde- * && sudo apt-get install kubuntu-desktop
sudo apt-get remove --purge kdebase-data && sudo rm -rf /etc/xdg/
That will resolve your issue.