Public bug reported: Hello, This issue is happening very often
$ software-properties-gtk ERROR:dbus.proxies:Introspect error on :1.127:/: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.NoReply: Message recipient disconnected from message bus without replying Traceback (most recent call last): File "/usr/bin/software-properties-gtk", line 100, in <module> app = SoftwarePropertiesGtk(datadir=options.data_dir, options=options, file=file) File "/usr/lib/python3/dist-packages/softwareproperties/gtk/SoftwarePropertiesGtk.py", line 211, in __init__ self.backend.Reload(); File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 72, in __call__ return self._proxy_method(*args, **keywords) File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 141, in __call__ return self._connection.call_blocking(self._named_service, File "/usr/lib/python3/dist-packages/dbus/connection.py", line 652, in call_blocking reply_message = self.send_message_with_reply_and_block( dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.127 was not provided by any .service files I tried the usual solution I used before: $ sudo apt-get update && sudo apt-get install --reinstall python3-six python3-certifi However, the package is still broken and there is no way to open software and updates. ===================================== $ lsb_release -rd Description: Ubuntu 20.04.2 LTS Release: 20.04 ===================================== $ apt-cache policy software-properties-gtk software-properties-gtk: Installed: 0.98.9.5 Candidate: 0.98.9.5 Version table: *** 0.98.9.5 500 500 http://archive.ubuntu.com/ubuntu focal-updates/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu focal-updates/main i386 Packages 100 /var/lib/dpkg/status 0.98.9.2 500 500 http://archive.ubuntu.com/ubuntu focal-security/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu focal-security/main i386 Packages 0.98.9 500 500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages 500 http://archive.ubuntu.com/ubuntu focal/main i386 Packages ====================================== ** Affects: software-properties (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1930974 Title: software-properties-gtk is broken again To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1930974/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs