update-software-center crashed with ValueError in /usr/share/software-center/softwarecenter/utils.py: bad marshal data (unknown type code)

[Matthias Andree]

this happened while apt-get was installing dist-upgrades

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: software-center 5.2.2.2
ProcVersionSignature: Ubuntu 3.2.0-25.40-generic 3.2.18
Uname: Linux 3.2.0-25-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.0.1-0ubuntu8
Architecture: amd64
CrashCounter: 1
Date: Sun Jun 17 11:15:43 2012
ExecutablePath: /usr/share/software-center/update-software-center
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/sbin/update-software-center
ProcEnviron:
 LANGUAGE=de_DE:en
 TERM=xterm
 PATH=(custom, no user)
 LANG=de_DE.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/sbin/update-software-center']
SourcePackage: software-center
Title: update-software-center crashed with ValueError in /usr/share/software-center/softwarecenter/utils.py: bad marshal data (unknown type code)
UpgradeStatus: Upgraded to precise on 2012-05-13 (34 days ago)
UserGroups:

[Gary Lasker (gary-lasker)]

Hi Matthias! Thank you for taking the time to report this bug and helping to make Ubuntu better. Please answer these questions:
1. Is this reproducible?
2. If so, what specific steps should we take to recreate this bug? Be as detailed as possible.
This will help us to find and resolve the problem.

Many thanks!

[Launchpad Janitor (janitor)]

[Expired for software-center (Ubuntu) because there has been no activity for 60 days.]

[Brian Murray (brian-murray)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1058884, so it 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.