unfortunately, Ubuntu 14.04 reached the end of standard support in April 2019, and is now only receives ESM support, which provides only security patches. You should get a newer version of the CD you are using.
** Changed in: systemd (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1888133 Title: package libpam-systemd:amd64 204-5ubuntu20.24 failed to install/upgrade: subprocess installed post-installation script returned error exit status 100 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1888133/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs