[Bug 2104181] Re: update-manager crashed with aptdaemon.errors.AptDaemonError in _convert_dbus_exception(): org.debian.apt: Could not cancel transaction

[Apport retracing service]

*** This bug is a duplicate of bug 1209219 ***
    https://bugs.launchpad.net/bugs/1209219

Thank you for taking the time to report this crash and helping to make
this software better.  This particular crash has already been reported
and is a duplicate of bug #1209219, so is being marked as such.  Please
look at the other bug report to see if there is any missing information
that you can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report.  Please continue to report any other bugs you may
find.

** Tags removed: need-duplicate-check

** Changed in: update-manager (Ubuntu)
   Importance: Undecided => Medium

** Attachment removed: "ProcMaps.txt"
   https://bugs.launchpad.net/bugs/2104181/+attachment/5867250/+files/ProcMaps.txt

** Attachment removed: "ProcStatus.txt"
   https://bugs.launchpad.net/bugs/2104181/+attachment/5867251/+files/ProcStatus.txt

** This bug has been marked a duplicate of bug 1209219
   update-manager crashed with aptdaemon.errors.AptDaemonError in _convert_dbus_exception(): org.debian.apt: Could not cancel transaction

** Information type changed from Private to Public

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https://bugs.launchpad.net/bugs/2104181

Title:
  update-manager crashed with aptdaemon.errors.AptDaemonError in
  _convert_dbus_exception(): org.debian.apt: Could not cancel
  transaction

Status in update-manager package in Ubuntu:
  New

Bug description:
  I started update manager, the status window appeared, I tried to stop
  it clicking the X button on the window but it failed with this error.

  ProblemType: Crash
  DistroRelease: Ubuntu 25.04
  Package: update-manager 1:25.04.4
  ProcVersionSignature: Ubuntu 6.14.0-11.11-generic 6.14.0-rc7
  Uname: Linux 6.14.0-11-generic x86_64
  ApportVersion: 2.32.0-0ubuntu2
  Architecture: amd64
  CasperMD5CheckResult: pass
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Mar 25 18:33:15 2025
  ExecutablePath: /usr/bin/update-manager
  InstallationDate: Installed on 2025-03-01 (24 days ago)
  InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Beta amd64 (20220329.1)
  InterpreterPath: /usr/bin/python3.13
  PackageArchitecture: all
  ProcCmdline: /usr/bin/python3 /usr/bin/update-manager
  Python3Details: /usr/bin/python3.13, Python 3.13.2, python3-minimal, 3.13.2-2
  PythonArgs: ['/usr/bin/update-manager']
  PythonDetails: N/A
  SourcePackage: update-manager
  Title: update-manager crashed with aptdaemon.errors.AptDaemonError in _convert_dbus_exception(): org.debian.apt: Could not cancel transaction
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin lxd plugdev sambashare sudo

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