package gconf2 3.2.5-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Sugeng Ivan Lestarianto]

my gconf2 3.2.5 cannot be reconfigured.
Already tried apt-get install -f , dpkg --configured -a, reinstall gconf2.
Not working at all. every new updates, new package installed, or remove always producing the same error.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: gconf2 3.2.5-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-38.60-generic 3.2.37
Uname: Linux 3.2.0-38-generic x86_64
NonfreeKernelModules: wl fglrx
ApportVersion: 2.0.1-0ubuntu17.1
AptOrdering:
 gconf2: Configure
 gstreamer0.10-gconf: Configure
Architecture: amd64
Date: Fri Feb 22 14:26:40 2013
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120823.1)
MarkForUpload: True
SourcePackage: gconf
Title: package gconf2 3.2.5-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)