Public bug reported: This occurred when I was attempting to upgrade from ubuntu 15.10 to ubuntu 16.4
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: ncurses-base 5.9+20150516-2ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6 Uname: Linux 4.4.0-21-generic x86_64 ApportVersion: 2.20.1-0ubuntu2 AptdaemonVersion: 1.1.1+bzr982-0ubuntu14 Architecture: amd64 CrashReports: 640:0:115:497351:2016-04-30 07:18:31.285532236 -0400:2016-04-30 07:18:32.285532236 -0400:/var/crash/ncurses-base.0.crash Date: Sat Apr 30 07:18:32 2016 Dependencies: DuplicateSignature: Setting up base-passwd (3.5.39) ... dpkg: error: dpkg status database is locked by another process dpkg: error processing package ncurses-base (--configure): package ncurses-base is already installed and configured ErrorMessage: package ncurses-base is already installed and configured InstallationDate: Installed on 2016-01-03 (118 days ago) InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021) PackageArchitecture: all RelatedPackageVersions: dpkg 1.18.4ubuntu1 apt 1.2.10ubuntu1 SourcePackage: dpkg Title: package ncurses-base 5.9+20150516-2ubuntu1 failed to install/upgrade: package ncurses-base is already installed and configured UpgradeStatus: Upgraded to xenial on 2016-04-30 (0 days ago) ** Affects: dpkg (Ubuntu) Importance: Undecided Status: New ** Tags: already-installed amd64 apport-package xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1576972 Title: package ncurses-base 5.9+20150516-2ubuntu1 failed to install/upgrade: package ncurses-base is already installed and configured To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/dpkg/+bug/1576972/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs