Traceback (most recent call last):
  File "/usr/lib/unity-scope-video-remote/unity-scope-video-remote", line 310, in <module>
    main()
  File "/usr/lib/unity-scope-video-remote/unity-scope-video-remote", line 290, in main
    session_bus_connection = Gio.bus_get_sync(Gio.BusType.SESSION, None)
  File "/usr/lib/python2.7/dist-packages/gi/types.py", line 43, in function
    return info.invoke(*args, **kwargs)
GError: Could not connect: Connection refused