package libqt5core5a:i386 5.5.1+dfsg-16ubuntu7.5 failed to install/upgrade: package libqt5core5a:i386 is not ready for configuration cannot configure (current status 'half-installed')

[Konstantinos Topazos]

i can not update the system, i get the information, there is a system programm bug

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: libqt5core5a:i386 5.5.1+dfsg-16ubuntu7.5
ProcVersionSignature: Ubuntu 4.4.0-67.88-generic 4.4.49
Uname: Linux 4.4.0-67-generic i686
ApportVersion: 2.20.1-0ubuntu2.6
Architecture: i386
Date: Tue Jun 27 12:49:20 2017
DuplicateSignature:
 package:libqt5core5a:i386:5.5.1+dfsg-16ubuntu7.5
 Processing triggers for libc-bin (2.23-0ubuntu9) ...
 dpkg: error processing package libqt5core5a:i386 (--configure):
  package libqt5core5a:i386 is not ready for configuration
ErrorMessage: package libqt5core5a:i386 is not ready for configuration cannot configure (current status 'half-installed')
InstallationDate: Installed on 2017-03-07 (111 days ago)
InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release i386 (20160719)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.2
 apt 1.2.20
SourcePackage: qtbase-opensource-src
Title: package libqt5core5a:i386 5.5.1+dfsg-16ubuntu7.5 failed to install/upgrade: package libqt5core5a:i386 is not ready for configuration cannot configure (current status 'half-installed')
UpgradeStatus: No upgrade log present (probably fresh install)