GNOME Control Center needs to be run with GNOME since it depends on
various gnome-settings-daemon processes to be running.
As a workaround, you can try running
XDG_CURRENT_DESKTOP=GNOME gnome-control-center
but that isn't supported.
gnome-control-center in Ubuntu 14.04 LTS was supported by the
** This bug is no longer a duplicate of bug 1754872
apt install xubuntu-desktop does not resolve dependencies properly
** Package changed: xfce4 (Ubuntu) => gnome-control-center (Ubuntu)
** Summary changed:
- gnome-control-center is missing items when run from the top ribbon
+
