package gconf2 3.2.6-0ubuntu1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1

After I update my python settings to python 3 this erro persist to appear

ProblemType: Package
DistroRelease: Ubuntu 13.04
Package: gconf2 3.2.6-0ubuntu1
ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4
Uname: Linux 3.8.0-27-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.9.2-0ubuntu8.3
AptOrdering: playonlinux: Purge
Architecture: amd64
Date: Tue Aug 13 00:55:32 2013
DuplicateSignature: package:gconf2:3.2.6-0ubuntu1:sub-processo script post-installation instalado retornou estado de saída de erro 1
ErrorMessage: sub-processo script post-installation instalado retornou estado de saída de erro 1
InstallationDate: Installed on 2013-07-26 (17 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
MarkForUpload: True
SourcePackage: gconf
Title: package gconf2 3.2.6-0ubuntu1 failed to install/upgrade: sub-processo script post-installation instalado retornou estado de saída de erro 1
UpgradeStatus: No upgrade log present (probably fresh install)