package keepalived 1:1.2.2-3ubuntu1.1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 100

[Vighanesh]

Unable to configure Keepalived application. Unistalled the keepalived and install the application again now it shows "unrecognized service".

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: keepalived 1:1.2.2-3ubuntu1.1
ProcVersionSignature: Ubuntu 3.11.0-15.25~precise1-generic 3.11.10
Uname: Linux 3.11.0-15-generic i686
ApportVersion: 2.0.1-0ubuntu17.6
AptOrdering:
 haproxy: Remove
 keepalived: Remove
Architecture: i386
Date: Fri Mar 27 06:47:55 2015
ErrorMessage: subprocess installed pre-removal script returned error exit status 100
InstallationMedia: Ubuntu 12.04.4 LTS "Precise Pangolin" - Release i386 (20140204)
MarkForUpload: True
SourcePackage: keepalived
Title: package keepalived 1:1.2.2-3ubuntu1.1 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 100
UpgradeStatus: No upgrade log present (probably fresh install)