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

[José Luis Mora Villadiego]

Binary package hint: update-manager

...

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: update-manager 1:0.147.2
ProcVersionSignature: Ubuntu 2.6.35-28.49-generic 2.6.35.11
Uname: Linux 2.6.35-28-generic i686
Architecture: i386
Date: Wed Apr 6 17:33:59 2011
ExecutablePath: /usr/bin/update-manager
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python2.7 /usr/bin/update-manager
ProcEnviron:
 SHELL=/bin/bash
 LC_MESSAGES=es_ES.UTF-8
 LANGUAGE=es:en
 LANG=es_CO.UTF-8
PythonArgs: ['/usr/bin/update-manager']
SourcePackage: update-manager
Title: update-manager crashed with AptDaemonError in _convert_dbus_exception(): org.debian.apt: Could not cancel transaction
UpgradeStatus: Upgraded to natty on 2011-04-04 (2 days ago)
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare tape vboxusers video

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make Ubuntu better. This particular crash has already been reported and is a duplicate of bug #628104, 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.