software-center-dbus crashed with UnicodeDecodeError in parse_applications_menu(): 'ascii' codec can't decode byte 0xc3 in position 3: ordinal not in range(128)

jerem@jerem-PC:~$ software-center
2013-07-07 16:07:49,805 - softwarecenter.ui.gtk3.app - INFO - setting up proxy 'None'
2013-07-07 16:07:51,258 - softwarecenter.backend.reviews - WARNING - Could not get usefulness from server, no username in config file
2013-07-07 16:07:51,261 - softwarecenter.plugin - INFO - activating plugin '<module 'webapps_activation' from '/usr/share/software-center/softwarecenter/plugins/webapps_activation.pyc'>'
2013-07-07 16:07:51,268 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/python2.7/dist-packages/gi/importer.py', 51, 'find_module')'
2013-07-07 16:07:51,268 - root - ERROR - Could not find any typelib for LaunchpadIntegration
2013-07-07 16:07:51,333 - softwarecenter.db.pkginfo_impl.aptcache - INFO - aptcache.open()
/usr/share/software-center/softwarecenter/db/update.py:872: UnicodeWarning: Unicode unequal comparison failed to convert both arguments to Unicode - interpreting them as being unequal
  if untranslated_value != translated_value:
Traceback (most recent call last):
  File "/usr/bin/software-center", line 183, in <module>
    app.run(args)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1375, in run
    self.show_available_packages(args)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/app.py", line 1313, in show_available_packages
    self.view_manager.set_active_view(ViewPages.AVAILABLE)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/session/viewmanager.py", line 150, in set_active_view
    view_widget.init_view()
  File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/availablepane.py", line 140, in init_view
    SoftwarePane.init_view(self)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/panes/softwarepane.py", line 138, in init_view
    self.icons, self.show_ratings)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/views/appview.py", line 71, in __init__
    self.helper = AppPropertiesHelper(db, cache, icons)
  File "/usr/share/software-center/softwarecenter/ui/gtk3/models/appstore2.py", line 112, in __init__
    self.all_categories = cat_parser.parse_applications_menu()
  File "/usr/share/software-center/softwarecenter/db/categories.py", line 294, in parse_applications_menu
    LOG.debug("%s %s %s" % (cat.name, cat.iconname, cat.query))
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 3: ordinal not in range(128)
jerem@jerem-PC:~$

ProblemType: Crash
DistroRelease: Ubuntu 13.10
Package: software-center 13.05-0ubuntu2
ProcVersionSignature: Ubuntu 3.10.0-2.10-generic 3.10.0
Uname: Linux 3.10.0-2-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.10.2-0ubuntu3
Architecture: amd64
CrashCounter: 1
Date: Sun Jul 7 14:52:14 2013
ExecutablePath: /usr/share/software-center/software-center-dbus
InstallationDate: Installed on 2013-03-11 (117 days ago)
InstallationMedia: Ubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.5)
InterpreterPath: /usr/bin/python2.7
MarkForUpload: True
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/share/software-center/software-center-dbus
ProcEnviron:
 LANGUAGE=fr_FR
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/share/software-center/software-center-dbus']
SourcePackage: software-center
Title: software-center-dbus crashed with UnicodeDecodeError in parse_applications_menu(): 'ascii' codec can't decode byte 0xc3 in position 3: ordinal not in range(128)
UpgradeStatus: Upgraded to saucy on 2013-07-07 (0 days ago)
UserGroups: adm autopilot cdrom dip libvirtd lpadmin plugdev sambashare sudo vboxusers