Public bug reported: I just get the above error
ProblemType: Package DistroRelease: Ubuntu 14.04 Package: m4 1.4.17-2ubuntu1 ProcVersionSignature: Ubuntu 4.2.0-34.39~14.04.1-generic 4.2.8-ckt4 Uname: Linux 4.2.0-34-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.19 AptdaemonVersion: 1.1.1-1ubuntu5.2 Architecture: amd64 Date: Thu Mar 24 10:18:24 2016 Dependencies: gcc-4.9-base 4.9.3-0ubuntu4 libc6 2.19-0ubuntu6.7 libgcc1 1:4.9.3-0ubuntu4 libsigsegv2 2.10-2 multiarch-support 2.19-0ubuntu6.7 DuplicateSignature: package:m4:1.4.17-2ubuntu1:package m4 is already installed and configured ErrorMessage: package m4 is already installed and configured InstallationDate: Installed on 2016-03-22 (3 days ago) InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1) RelatedPackageVersions: dpkg 1.17.5ubuntu5.5 apt 1.0.1ubuntu2.11 SourcePackage: m4 Title: package m4 1.4.17-2ubuntu1 failed to install/upgrade: package m4 is already installed and configured UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: m4 (Ubuntu) Importance: Undecided Status: New ** Tags: already-installed amd64 apport-package trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1562221 Title: package m4 1.4.17-2ubuntu1 failed to install/upgrade: package m4 is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/m4/+bug/1562221/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs