package gnome-themes-standard:amd64 3.12.0-1ubuntu1 failed to install/upgrade: package gnome-themes-standard:amd64 is already installed and configured

[shaan]

it failed to install, and is giving me error messages

ProblemType: Package
DistroRelease: Ubuntu 14.10
Package: gnome-themes-standard:amd64 3.12.0-1ubuntu1
ProcVersionSignature: Ubuntu 3.16.0-28.38-generic 3.16.7-ckt1
Uname: Linux 3.16.0-28-generic x86_64
ApportVersion: 2.14.7-0ubuntu8
AptdaemonVersion: 1.1.1+bzr980-0ubuntu1
Architecture: amd64
Date: Tue Dec 23 16:17:21 2014
DuplicateSignature: package:gnome-themes-standard:amd64:3.12.0-1ubuntu1:package gnome-themes-standard:amd64 is already installed and configured
ErrorMessage: package gnome-themes-standard:amd64 is already installed and configured
InstallationDate: Installed on 2014-12-02 (20 days ago)
InstallationMedia: Ubuntu 14.10 "Utopic Unicorn" - Release amd64 (20141022.1)
SourcePackage: dpkg
Title: package gnome-themes-standard:amd64 3.12.0-1ubuntu1 failed to install/upgrade: package gnome-themes-standard:amd64 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)