package postgresql-9.4 9.4~beta2-1build1 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1

[joshiss]

while running apt-get update the postgresql failed to install

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: postgresql-9.4 9.4~beta3-2
ProcVersionSignature: Ubuntu 3.16.0-23.31-generic 3.16.4
Uname: Linux 3.16.0-23-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.14.7-0ubuntu8
Architecture: i386
Date: Mon Oct 27 12:31:30 2014
DuplicateSignature: package:postgresql-9.4:9.4~beta2-1build1:subprocess new pre-installation script returned error exit status 1
ErrorMessage: subprocess new pre-installation script returned error exit status 1
InstallationDate: Installed on 2012-03-24 (947 days ago)
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20120324)
SourcePackage: postgresql-9.4
Title: package postgresql-9.4 9.4~beta2-1build1 failed to install/upgrade: subprocess new pre-installation script returned error exit status 1
UpgradeStatus: Upgraded to utopic on 2014-08-24 (65 days ago)