I had met the same issue please find the attached video. BTW, boot to TTY and run dpkg works.
** Attachment added: "screencapture 2017-12-09 00:01:57.mp4" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1737133/+attachment/5020229/+files/screencapture%202017-12-09%2000%3A01%3A57.mp4 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1737133 Title: package linux-image-4.13.0-19-generic 4.13.0-19.22 failed to install/upgrade: subprocess installed post-installation script was killed by signal (Terminated) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1737133/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
