package libexpat1:i386 2.1.0-4ubuntu1.1 failed to install/upgrade: package libexpat1:i386 is already installed and configured

[miguel]

a aplication dont starts

ProblemType: Package
DistroRelease: Ubuntu 14.04
Package: libexpat1:i386 2.1.0-4ubuntu1.1
ProcVersionSignature: Ubuntu 3.19.0-28.30~14.04.1-generic 3.19.8-ckt5
Uname: Linux 3.19.0-28-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.13
AptdaemonVersion: 1.1.1-1ubuntu5.2
Architecture: amd64
CrashReports:
 640:0:116:1826630:2015-09-12 12:15:43.220368623 -0300:2015-09-12 12:15:48.738649130 -0300:/var/crash/libgpg-error0:i386.0.crash
 600:0:116:239466:2015-09-12 11:51:59.724616527 -0300:2015-09-12 11:52:00.724616527 -0300:/var/crash/libexpat1:i386.0.crash
 600:0:116:239465:2015-09-12 11:52:01.740616646 -0300:2015-09-12 11:52:01.724616567 -0300:/var/crash/libffi6:i386.0.crash
 644:0:116:0:2015-09-12 12:15:47.726138112 -0300:2015-09-12 12:15:47.726138112 -0300:/var/crash/libgpg-error0:i386.0.upload
 600:109:116:0:2015-09-12 12:15:50.655616631 -0300:2015-09-12 12:15:50.655616631 -0300:/var/crash/libgpg-error0:i386.0.uploaded
Date: Sat Sep 12 11:52:00 2015
Dependencies:
 gcc-4.9-base 4.9.1-0ubuntu1
 libc6 2.19-0ubuntu6.6
 libgcc1 1:4.9.1-0ubuntu1
 multiarch-support 2.19-0ubuntu6.6
DuplicateSignature: package:libexpat1:i386:2.1.0-4ubuntu1.1:package libexpat1:i386 is already installed and configured
ErrorMessage: package libexpat1:i386 is already installed and configured
InstallationDate: Installed on 2015-09-12 (0 days ago)
InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
PackageArchitecture: i386
RelatedPackageVersions:
 dpkg 1.17.5ubuntu5.4
 apt 1.0.1ubuntu2.10
SourcePackage: dpkg
Title: package libexpat1:i386 2.1.0-4ubuntu1.1 failed to install/upgrade: package libexpat1:i386 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.