package udev 175-0ubuntu9.5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2

[Ritesh Sangwan]

I try to ungrade packages using apt-get upgrade. Some of the packages upgraded but at the end above error was thrown

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: udev 175-0ubuntu9.5
ProcVersionSignature: Ubuntu 3.11.0-15.25~precise1-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
Date: Sun May 4 14:59:18 2014
DuplicateSignature: package:udev:175-0ubuntu9.5: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)
MachineType: HCL Infosystems Limited HCL Notebook
MarkForUpload: True
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-15-generic root=UUID=1dcfe695-f443-47e4-9690-38f5a9b0c1d9 ro quiet splash
SourcePackage: udev
Title: package udev 175-0ubuntu9.5 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/29/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 213
dmi.board.asset.tag: ATN12345678901234567
dmi.board.name: HCL Notebook
dmi.board.vendor: HCL Infosystems Limited
dmi.board.version: 1.0
dmi.chassis.asset.tag: ATN12345678901234567
dmi.chassis.type: 10
dmi.chassis.vendor: HCL Infosystems Limited
dmi.chassis.version: 1.0
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr213:bd07/29/2011:svnHCLInfosystemsLimited:pnHCLNotebook:pvr1.0:rvnHCLInfosystemsLimited:rnHCLNotebook:rvr1.0:cvnHCLInfosystemsLimited:ct10:cvr1.0:
dmi.product.name: HCL Notebook
dmi.product.version: 1.0
dmi.sys.vendor: HCL Infosystems Limited