package gconf2 3.2.5-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[Bui Hoang Giang]

The error suddenly happens on ubuntu 12.04.4. It does not affect the performance but annoying when the windows continuously appear after log in to computer.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: gconf2 3.2.5-0ubuntu2
ProcVersionSignature: Ubuntu 3.11.0-24.41~precise1-generic 3.11.10.11
Uname: Linux 3.11.0-24-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
Date: Sat Jun 28 09:16:27 2014
Df:
 Filesystem 1K-blocks Used Available Use% Mounted on
 /dev/sda2 28705788 22820672 4403900 84% /
 sysfs 28705788 22820672 4403900 84% /sys
 udev 28705788 22820672 4403900 84% /dev
 devpts 28705788 22820672 4403900 84% /dev/pts
DpkgTerminalLog: Can not write log, openpty() failed (/dev/pts not mounted?)
DuplicateSignature: package:gconf2:3.2.5-0ubuntu2:subprocess installed post-installation script returned error exit status 2
ErrorMessage: subprocess installed post-installation script returned error exit status 2
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release amd64 (20140204)
MarkForUpload: True
SourcePackage: gconf
Title: package gconf2 3.2.5-0ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: No upgrade log present (probably fresh install)