Public bug reported: I tried so many alternatives i didn't found relevant bug to fix it.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: apport 2.20.1-0ubuntu2.5 ProcVersionSignature: Ubuntu 4.8.0-54.57~16.04.1-generic 4.8.17 Uname: Linux 4.8.0-54-generic x86_64 ApportLog: ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 CrashReports: 600:0:116:180223:2017-07-04 20:24:38.287366390 +0530:2017-07-04 20:24:39.287366390 +0530:/var/crash/apport.0.crash Date: Tue Jul 4 20:24:38 2017 DpkgTerminalLog: Preparing to unpack .../apport_2.20.1-0ubuntu2.4_all.deb ... /var/lib/dpkg/info/apport.prerm: 19: /var/lib/dpkg/info/apport.prerm: pyclean: not found dpkg: error processing archive /var/cache/apt/archives/apport_2.20.1-0ubuntu2.4_all.deb (--unpack): subprocess installed pre-removal script returned error exit status 127 DuplicateSignature: package:apport:2.20.1-0ubuntu2.5 Preparing to unpack .../apport_2.20.1-0ubuntu2.4_all.deb ... /var/lib/dpkg/info/apport.prerm: 19: /var/lib/dpkg/info/apport.prerm: pyclean: not found dpkg: error processing archive /var/cache/apt/archives/apport_2.20.1-0ubuntu2.4_all.deb (--unpack): subprocess installed pre-removal script returned error exit status 127 ErrorMessage: subprocess installed pre-removal script returned error exit status 127 InstallationDate: Installed on 2017-03-30 (95 days ago) InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2) PackageArchitecture: all RelatedPackageVersions: dpkg 1.18.4ubuntu1.2 apt 1.2.20 SourcePackage: apport Title: package apport 2.20.1-0ubuntu2.5 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 127 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: apport (Ubuntu) Importance: Undecided Assignee: Srikanth (sri1992) Status: New ** Tags: amd64 apport-package need-duplicate-check third-party-packages xenial ** Changed in: apport (Ubuntu) Assignee: (unassigned) => Srikanth (sri1992) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1702319 Title: package apport 2.20.1-0ubuntu2.5 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1702319/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs