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koub
Asked: 2020-09-11 12:07:59 +0800 CST

ubuntu 18.04 software-properties-gtk failing

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ubuntu 18.04 software-properties-gtk failing when I try to open the software&update it doesn't open and when I tried to sudo software-properties-gtk

it return this error

ERROR:dbus.proxies:Introspect error on :1.136:/: 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 173, in __init__
    self.backend.Reload();
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 70, in __call__
    return self._proxy_method(*args, **keywords)
  File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
    **keywords)
  File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
    message, timeout)
dbus.exceptions.DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name :1.136 was not provided by any .service files

I tried to reinstall software-properties-gtk but it didn't work I also tried to reinstall python-six packages as recommended by other blogs but also didn't solve my issue.

update-manager 18.04 additional-drivers

2 Answers

  1. Probably the same issue and the solution is shared here

    According to Tim Richardson:

    The package python3-six was installed (so my package manager said). when I reinstalled this package, software-properties-gtk worked again.

    You may try to install python-six package and reinstall software-properties-gtk aftermath.

    sudo apt install python-six

    Or you may want to install it via pip

    pip install six

    After you installed python-six package, reinstall the software-properties-gtk like

    sudo apt install --reinstall software-properties-gtk

    Hope it solves your problem.

    • 0
  2. Best Answer

    Try the following

    sudo apt reinstall python3-six python3-certifi

    I had months suffering from this issue on both 18.04 and 20.04. I came by this answer on one of the forums and it worked.

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