package ubuntu-core-launcher 2.34.2 failed to install/upgrade: package ubuntu-core-launcher is already installed and configured

[satham hussain]

some installation

ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: ubuntu-core-launcher 2.34.2
ProcVersionSignature: Ubuntu 4.15.0-29.31~16.04.1-generic 4.15.18
Uname: Linux 4.15.0-29-generic i686
ApportVersion: 2.20.1-0ubuntu2.18
AptdaemonVersion: 1.1.1+bzr982-0ubuntu14
Architecture: i386
CrashReports:
 600:109:117:0:2018-08-02 15:31:53.712720070 +0530:2018-08-02 15:31:53.712720070 +0530:/var/crash/squashfs-tools.0.uploaded
 644:0:117:0:2018-08-02 15:31:13.216519261 +0530:2018-08-02 15:31:13.216519261 +0530:/var/crash/squashfs-tools.0.upload
 640:0:117:188794:2018-08-02 15:31:12.088518619 +0530:2018-08-02 15:31:49.464699006 +0530:/var/crash/squashfs-tools.0.crash
 600:0:117:94842:2018-08-02 15:26:20.688831806 +0530:2018-08-02 15:26:21.688831806 +0530:/var/crash/ubuntu-core-launcher.0.crash
 600:0:117:94812:2018-08-02 15:26:21.588823649 +0530:2018-08-02 15:26:21.544820038 +0530:/var/crash/snapd.0.crash
Date: Thu Aug 2 15:26:21 2018
DuplicateSignature:
 package:ubuntu-core-launcher:2.34.2
 Processing triggers for doc-base (0.10.7) ...
 Processing 1 changed doc-base file...
 dpkg: error processing package squashfs-tools (--configure):
  package squashfs-tools is already installed and configured
ErrorMessage: package ubuntu-core-launcher is already installed and configured
InstallationDate: Installed on 2018-06-09 (53 days ago)
InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release i386 (20180228)
RelatedPackageVersions:
 dpkg 1.18.4ubuntu1.4
 apt 1.2.27
SourcePackage: dpkg
Title: package ubuntu-core-launcher 2.34.2 failed to install/upgrade: package ubuntu-core-launcher is already installed and configured
UpgradeStatus: No upgrade log present (probably fresh install)