update-manager crashed with UnicodeDecodeError in _convert_struct(): 'ascii' codec can't decode byte 0xc3 in position 129: ordinal not in range(128)

[Andrea Amoroso]

Binary package hint: update-manager

I was trying to update the package GStreamer0.10-plugins-good and I had this error..
Ubuntu alpha 3 updated and intel i855 driver

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: update-manager 1:0.146.5
ProcVersionSignature: Ubuntu 2.6.38-7.36-generic 2.6.38
Uname: Linux 2.6.38-7-generic i686
Architecture: i386
CheckboxSubmission: 6579e32eaf94eb4435e3c4be605190d3
CheckboxSystem: b845c366ea09c60efa3a45c1b5b21525
Date: Tue Mar 22 00:01:31 2011
ExecutablePath: /usr/bin/update-manager
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha i386 (20100630.2)
InterpreterPath: /usr/bin/python2.7
ProcCmdline: /usr/bin/python2.7 /usr/bin/update-manager
ProcEnviron:
 LANGUAGE=it_IT:en
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/update-manager']
SourcePackage: update-manager
Title: update-manager crashed with UnicodeDecodeError in _convert_struct(): 'ascii' codec can't decode byte 0xc3 in position 129: ordinal not in range(128)
UpgradeStatus: Upgraded to natty on 2011-03-21 (0 days ago)
UserGroups: adm admin audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare tape 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 #736507, 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.