fontconfig-voodoo crashed with DBusException in call_blocking(): org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist

[Pixel]

problem when selecting the menu icon

ProblemType: Crash
DistroRelease: Ubuntu 11.10
Package: language-selector-common 0.45
ProcVersionSignature: Ubuntu 3.0.0-8.11-generic 3.0.1
Uname: Linux 3.0.0-8-generic i686
Architecture: i386
Date: Tue Aug 16 11:58:08 2011
ExecutablePath: /usr/bin/fontconfig-voodoo
InstallationMedia: Xubuntu 11.04 "Natty Narwhal" - Release i386 (20110427)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/fontconfig-voodoo --auto --quiet
ProcEnviron:
 PATH=(custom, no user)
 LANG=it_IT.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/fontconfig-voodoo', '--auto', '--quiet']
SourcePackage: language-selector
Title: fontconfig-voodoo crashed with DBusException in call_blocking(): org.freedesktop.DBus.Error.UnknownMethod: Method "Get" with signature "ss" on interface "org.freedesktop.DBus.Properties" doesn't exist
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: