package libexpat1:amd64 2.1.0-7ubuntu0.16.04.2 failed to install/upgrade: package libexpat1:amd64 is already installed and configured

[Nevena Ekimova]

i got a message about one of the updates not installing properly and a request to report the problem.

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libexpat1:amd64 2.1.0-7ubuntu0.16.04.2
ProcVersionSignature: Ubuntu 4.4.0-23.41-generic 4.4.10
Uname: Linux 4.4.0-23-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: amd64
CrashReports:
 640:0:120:395751:2017-01-20 21:33:23.748817689 +0200:2017-01-20 21:33:23.732818729 +0200:/var/crash/libpython3.5-minimal:amd64.0.crash
 640:0:120:395726:2017-01-20 21:33:23.732818729 +0200:2017-01-20 21:33:23.720819511 +0200:/var/crash/libssl1.0.0:amd64.0.crash
 640:0:120:392764:2017-01-20 21:32:14.804863452 +0200:2017-01-20 21:32:15.804863452 +0200:/var/crash/libexpat1:amd64.0.crash
Date: Fri Jan 20 21:32:15 2017
Dependencies:
 gcc-6-base 6.0.1-0ubuntu1
 libc6 2.23-0ubuntu5
 libgcc1 1:6.0.1-0ubuntu1
DistributionChannelDescriptor:
 # This is a distribution channel descriptor
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-xenial-amd64-20160624-2
ErrorMessage: package libexpat1:amd64 is already installed and configured
InstallationDate: Installed on 2016-10-20 (92 days ago)
InstallationMedia: Ubuntu 16.04 "Xenial" - Build amd64 LIVE Binary 20160624-10:47
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.1
 apt 1.2.18
SourcePackage: dpkg
Title: package libexpat1:amd64 2.1.0-7ubuntu0.16.04.2 failed to install/upgrade: package libexpat1:amd64 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)