[Bug 1868501] Re: software-properties-gtk is blank when run as normal user.

[Cay Horstmann]

I have the same problem after updating to 20.04.1. An empty window shows
up when I launch software-properties-gtk, but sudo software-properties-
gtk works ok. I renamed /etc/apt/sources.list.d so that presumably its
contents won't be parsed. Below is my /etc/apt/sources.lst.

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://de.archive.ubuntu.com/ubuntu/ focal main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://de.archive.ubuntu.com/ubuntu/ focal-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://de.archive.ubuntu.com/ubuntu/ focal universe
deb http://de.archive.ubuntu.com/ubuntu/ focal-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu 
## team, and may not be under a free licence. Please satisfy yourself as to 
## your rights to use the software. Also, please note that software in 
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://de.archive.ubuntu.com/ubuntu/ focal multiverse
deb http://de.archive.ubuntu.com/ubuntu/ focal-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://de.archive.ubuntu.com/ubuntu/ focal-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu focal partner
deb-src http://archive.canonical.com/ubuntu focal partner

deb http://security.ubuntu.com/ubuntu focal-security main restricted
deb http://security.ubuntu.com/ubuntu focal-security universe
deb http://security.ubuntu.com/ubuntu focal-security multiverse

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https://bugs.launchpad.net/bugs/1868501

Title:
  software-properties-gtk is blank when run as normal user.

Status in software-properties package in Ubuntu:
  Incomplete

Bug description:
  lsb_release -rd
  Description:	Ubuntu Focal Fossa (development branch)
  Release:	20.04

  Upgraded install from 19.10

  "Software & Updates" windows is blank when initiated from either the
  terminal or via the "Settings..." button in the "Software Updater".

  If I run "software-properties-gtk" in the terminal the window is also blank.
  If I run it with sudo the "Software and Updates" window opens as normal.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: software-properties-gtk 0.98.7
  ProcVersionSignature: Ubuntu 5.4.0-18.22-generic 5.4.24
  Uname: Linux 5.4.0-18-generic x86_64
  ApportVersion: 2.20.11-0ubuntu21
  Architecture: amd64
  CurrentDesktop: ubuntu:GNOME
  Date: Sun Mar 22 21:30:12 2020
  InstallationDate: Installed on 2019-12-15 (98 days ago)
  InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
  PackageArchitecture: all
  SourcePackage: software-properties
  UpgradeStatus: Upgraded to focal on 2020-03-22 (0 days ago)

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