package update-notifier-common 0.119ubuntu8.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

Updated to most recent version of ubuntu and ever since the system has been very unstable.

ProblemType: Package
DistroRelease: Ubuntu 12.04
Package: update-notifier-common 0.119ubuntu8.2
ProcVersionSignature: Ubuntu 3.2.0-24.38-generic 3.2.16
Uname: Linux 3.2.0-24-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.0.1-0ubuntu7
Architecture: amd64
Date: Mon May 21 08:28:08 2012
ErrorMessage: subprocess installed post-installation script returned error exit status 1
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1)
PackageArchitecture: all
SourcePackage: update-notifier
Title: package update-notifier-common 0.119ubuntu8.2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to precise on 2012-05-02 (21 days ago)
modified.conffile..etc.apt.apt.conf.d.10periodic:
 APT::Periodic::Update-Package-Lists "1";
 APT::Periodic::Download-Upgradeable-Packages "0";
 APT::Periodic::AutocleanInterval "0";
 APT::Periodic::Unattended-Upgrade "0";
mtime.conffile..etc.apt.apt.conf.d.10periodic: 2012-05-03T11:32:44.829635