Software & Updates window freezes entirely when I open it for the first time since adding debug repositories.

[Seija K.]

Upon attempting to add debug repositories to apt and then opening Software Updater, the cache loaded and then I switched to the Ubuntu Software Tab. I then clicked the checkmark next to "software restricted by copyright or legal issues." I then clicked the Close button, and then the reload button.

The window that shows the reload process became stuck and would not be dismissed, softlocking me in the update-manager app and forcing me to kill the application.

Expected Results:
Software Update applies the changes without issue and then quits, or throws and error if that is not possible and I made a mistake

Actual Results:
Software Update manager hangs ans softlocks me into forcing me to kill the process.

Prior to the issue occurring, I ran "echo -e "deb http://ddebs.ubuntu.com $(lsb_release -cs)-updates main restricted universe multiverse\ndeb http://ddebs.ubuntu.com $(lsb_release -cs)-proposed main restricted universe multiverse" | sudo tee -a /etc/apt/sources.list.d/ddebs.list" and then opened Software Update manager. I was attempting to follow the steps to debug on this URL: https://wiki.ubuntu.com/DebuggingProgramCrash

However, I skipped the first step in adding the debug repositories and added the one in the second step before opening Software & Updates.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: update-manager 1:19.04.8
ProcVersionSignature: Ubuntu 5.3.0-23.25-generic 5.3.7
Uname: Linux 5.3.0-23-generic x86_64
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Wed Nov 27 11:46:27 2019
GsettingsChanges:
 b'com.ubuntu.update-manager' b'window-width' b'645'
 b'com.ubuntu.update-manager' b'launch-count' b'4'
 b'com.ubuntu.update-manager' b'first-run' b'false'
 b'com.ubuntu.update-manager' b'show-details' b'true'
 b'com.ubuntu.update-manager' b'launch-time' b'int64 1574872075'
InstallationDate: Installed on 2019-11-20 (6 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
PackageArchitecture: all
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: update-manager
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.apport.crashdb.conf: 2019-11-24T17:17:29.098099

[Seija K. (rose128)]

Description: Ubuntu 19.10
Release: 19.10

update-manager:
  Installed: 1:19.04.8
  Candidate: 1:19.04.8
  Version table:
 *** 1:19.04.8 500
        500 http://us.archive.ubuntu.com/ubuntu eoan/main amd64 Packages
        500 http://us.archive.ubuntu.com/ubuntu eoan/main i386 Packages
        100 /var/lib/dpkg/status

[Seija K. (rose128)]

Here is the picture of the actual Software-Updater window, which ALSO froze when software_properties_gtk crashed.