[Bug 1191700] Re: [saucy] software-properties-gtk crashed with Exception NameHasNoOwner: Could not get owner of name 'com.ubuntu.SoftwareProperties'

[B Bobo]

This system has been working fine with no errors at all for several months since the original installation of Saucy.
The problems started suddenly on the 14th after applying the set of saucy updates dated 2013-06-14. There are no hardware errors.

It's a bit worrying if updating a system can corrupt it. The updates
were all signed and signatures verified by USC.  Perhaps Debian or
Ubuntu signing keys have been compromised again.

The file you mentioned exists, is world-readable, though not executable,
and is identical to the one on a different Ubuntu system.

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https://bugs.launchpad.net/bugs/1191700

Title:
  [saucy] software-properties-gtk crashed with Exception NameHasNoOwner:
  Could not get owner of name 'com.ubuntu.SoftwareProperties'

Status in “software-properties” package in Ubuntu:
  New

Bug description:
  software-properties-gtk is crashing every time it is run with
  Exception NameHasNoOwner: Could not get owner of name
  'com.ubuntu.SoftwareProperties'

  Traceback (most recent call last):
  File "/usr/bin/software-properties-gtk", line 104, in <module>
     app = SoftwarePropertiesGtk(datadir=options.data_dir, options=options, file=file)
  /usr/lib/python3/dist-packages/dbus/bus.py, line 175, in activate_name_owner
  /usr/lib/python3/dist-packages/dbus/bus.py, line 361, in get_name_owner
  /usr/lib/python3/dist-packages/dbus/connection.py, line 651, in call_blocking

  dbus.exceptions.DBusException:
  org.freedesktop.DBus.Error.NameHasNoOwner: Could not get owner of name
  'com.ubuntu.SoftwareProperties': no such name

  This is software-properties-gtk-0.92.19 in Ubuntu 13.04 Saucy

  
  This issue is preventing any further software updates using either the Ubuntu Software Center or apt itself directly.

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