package libass4:amd64 0.10.1-3ubuntu1 failed to install/upgrade: package libass4:amd64 is not ready for configuration cannot configure (current status `half-installed')

[Vijay L Roy]

:(

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libass4:amd64 0.10.1-3ubuntu1
ProcVersionSignature: Ubuntu 3.13.0-55.94-generic 3.13.11-ckt20
Uname: Linux 3.13.0-55-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.11
AptOrdering: libass4: Configure
Architecture: amd64
Date: Sat Aug 29 10:29:23 2015
DpkgTerminalLog:
 dpkg: error processing package libass4:amd64 (--configure):
  package libass4:amd64 is not ready for configuration
  cannot configure (current status `half-installed')
DuplicateSignature: package:libass4:amd64:0.10.1-3ubuntu1:package libass4:amd64 is not ready for configuration cannot configure (current status `half-installed')
ErrorMessage: package libass4:amd64 is not ready for configuration cannot configure (current status `half-installed')
InstallationDate: Installed on 2015-05-19 (101 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release amd64 (20140722.2)
SourcePackage: libass
Title: package libass4:amd64 0.10.1-3ubuntu1 failed to install/upgrade: package libass4:amd64 is not ready for configuration cannot configure (current status `half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)