package libexpat1:amd64 2.1.0-4ubuntu1.4 failed to install/upgrade: package libexpat1:amd64 is already installed and configured

[nmalpas]

System update hung while configuring java (I believe - it's been a while). The automatic repair procedure did not work

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libexpat1:amd64 2.1.0-4ubuntu1.4
ProcVersionSignature: Ubuntu 3.13.0-123.172-generic 3.13.11-ckt39
Uname: Linux 3.13.0-123-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.24
AptdaemonVersion: 1.1.1-1ubuntu5.2
Architecture: amd64
CrashReports:
 644:0:114:0:2017-07-28 16:51:33.982595066 +1000:2017-07-28 16:51:33.982595066 +1000:/var/crash/libexpat1:i386.0.upload
 644:0:114:0:2017-07-28 16:51:54.078594437 +1000:2017-07-28 16:51:54.078594437 +1000:/var/crash/libroken18-heimdal:i386.0.upload
 640:0:114:501375:2017-07-28 16:51:30.174595117 +1000:2017-07-28 16:51:31.174595117 +1000:/var/crash/libexpat1:i386.0.crash
 640:0:114:502635:2017-07-28 16:51:50.510594606 +1000:2017-07-28 16:51:51.510594606 +1000:/var/crash/libroken18-heimdal:i386.0.crash
 600:0:114:180384:2017-07-28 16:51:03.970596075 +1000:2017-07-28 16:51:04.970596075 +1000:/var/crash/libexpat1:amd64.0.crash
Date: Fri Jul 28 16:51:04 2017
Dependencies:
 gcc-4.9-base 4.9.3-0ubuntu4
 libc6 2.19-0ubuntu6.13
 libgcc1 1:4.9.3-0ubuntu4
 multiarch-support 2.19-0ubuntu6.13
DuplicateSignature: package:libexpat1:amd64:2.1.0-4ubuntu1.4:package libexpat1:amd64 is already installed and configured
ErrorMessage: package libexpat1:amd64 is already installed and configured
InstallationDate: Installed on 2013-11-03 (1363 days ago)
InstallationMedia: Ubuntu 12.04.2 LTS "Precise Pangolin" - Release amd64 (20130213)
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.7
 apt 1.0.1ubuntu2.17
SourcePackage: dpkg
Title: package libexpat1:amd64 2.1.0-4ubuntu1.4 failed to install/upgrade: package libexpat1:amd64 is already installed and configured
UpgradeStatus: Upgraded to trusty on 2015-07-06 (752 days ago)