Public bug reported: encountered this error while uninstalling the ubuntu-sdk package from apt.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: ubuntu-app-launch 0.5+15.10.20150817-0ubuntu3 ProcVersionSignature: Ubuntu 4.8.0-41.44~16.04.1-generic 4.8.17 Uname: Linux 4.8.0-41-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 Date: Sun Apr 9 09:33:07 2017 DuplicateSignature: package:ubuntu-app-launch:0.5+15.10.20150817-0ubuntu3 Removing libunity-scopes1.0:amd64 (1.0.4+16.04.20160402.4-0ubuntu1) ... Cannot start click due to a conflict with a different locally-installed Python 'click' package. Remove it using Python packaging tools and try again. dpkg: error processing package libunity-scopes1.0:amd64 (--remove): subprocess installed pre-removal script returned error exit status 1 ErrorMessage: subprocess installed pre-removal script returned error exit status 1 InstallationDate: Installed on 2017-03-25 (15 days ago) InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2) RelatedPackageVersions: dpkg 1.18.4ubuntu1.1 apt 1.2.19 SourcePackage: ubuntu-app-launch Title: package ubuntu-app-launch 0.5+15.10.20150817-0ubuntu3 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: ubuntu-app-launch (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package third-party-packages xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1681230 Title: package ubuntu-app-launch 0.5+15.10.20150817-0ubuntu3 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-app-launch/+bug/1681230/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs