Traceback (most recent call last):
  File "/usr/lib/python2.6/dist-packages/aptdaemon/defer.py", line 533, in _inline_callbacks
    result = gen.throw(result.type, result.value, result.traceback)
  File "/usr/lib/python2.6/dist-packages/aptdaemon/gtkwidgets.py", line 646, in _run
    yield self._transaction.run(defer=True)
DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.75 was not provided by any .service files