package libqt5core5a:i386 5.5.1+dfsg-16ubuntu7.5 failed to install/upgrade: package libqt5core5a:i386 is already installed and configured

[Andrea Montanari]

Trying to install an application from Ubuntu store

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libqt5core5a:i386 5.5.1+dfsg-16ubuntu7.5
ProcVersionSignature: Ubuntu 4.8.0-46.49~16.04.1-generic 4.8.17
Uname: Linux 4.8.0-46-generic i686
ApportVersion: 2.20.1-0ubuntu2.10
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: i386
CrashReports:
 600:0:116:260299:2017-08-28 11:22:49.236070394 +0200:2017-08-28 11:22:50.236070394 +0200:/var/crash/libqt5core5a:i386.0.crash
 600:0:116:259818:2017-08-28 11:22:50.308028649 +0200:2017-08-28 11:22:48.487947131 +0200:/var/crash/libmng2:i386.0.crash
 600:0:116:260269:2017-08-28 11:22:50.992059394 +0200:2017-08-28 11:22:50.772049505 +0200:/var/crash/libpcre16-3:i386.0.crash
Date: Mon Aug 28 11:22:51 2017
DuplicateSignature:
 package:libqt5core5a:i386:5.5.1+dfsg-16ubuntu7.5
 Setting up libc6-dbg:i386 (2.23-0ubuntu9) ...
 dpkg: error processing package libmng2:i386 (--configure):
  package libmng2:i386 is already installed and configured
ErrorMessage: package libqt5core5a:i386 is already installed and configured
InstallationDate: Installed on 2017-04-23 (126 days ago)
InstallationMedia: Xubuntu 16.04.2 LTS "Xenial Xerus" - Release i386 (20170215)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.24
SourcePackage: dpkg
Title: package libqt5core5a:i386 5.5.1+dfsg-16ubuntu7.5 failed to install/upgrade: package libqt5core5a:i386 is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)