Public bug reported: I ran an upgrade and rebooted my computer and received the error.
ProblemType: Package DistroRelease: Ubuntu 16.04 Package: man-db 2.7.5-1 ProcVersionSignature: Ubuntu 4.15.0-34.37~16.04.1-generic 4.15.18 Uname: Linux 4.15.0-34-generic x86_64 NonfreeKernelModules: talpa_vfshook talpa_pedconnector talpa_pedevice talpa_vcdevice talpa_core talpa_linux talpa_syscallhook ApportVersion: 2.20.1-0ubuntu2.18 Architecture: amd64 Date: Tue Sep 25 08:24:52 2018 DpkgTerminalLog: Preparing to unpack .../bsdutils_1%3a2.27.1-6ubuntu3.6_amd64.deb ... Unpacking bsdutils (1:2.27.1-6ubuntu3.6) over (1:2.27.1-6ubuntu3.4) ... Processing triggers for man-db (2.7.5-1) ... dpkg: error processing package man-db (--unpack): unable to open triggers deferred file '/var/lib/dpkg/triggers/Unincorp': Timer expired DuplicateSignature: package:man-db:2.7.5-1 Processing triggers for man-db (2.7.5-1) ... dpkg: error processing package man-db (--unpack): unable to open triggers deferred file '/var/lib/dpkg/triggers/Unincorp': Timer expired ErrorMessage: unable to open triggers deferred file '/var/lib/dpkg/triggers/Unincorp': Timer expired InstallationDate: Installed on 2018-04-29 (147 days ago) InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228) RelatedPackageVersions: dpkg 1.18.4ubuntu1.4 apt 1.2.27 SourcePackage: man-db Title: package man-db 2.7.5-1 failed to install/upgrade: unable to open triggers deferred file '/var/lib/dpkg/triggers/Unincorp': Timer expired UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: man-db (Ubuntu) Importance: Undecided Status: New ** Tags: 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/1794199 Title: package man-db 2.7.5-1 failed to install/upgrade: unable to open triggers deferred file '/var/lib/dpkg/triggers/Unincorp': Timer expired To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/man-db/+bug/1794199/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs