I got it working again on Ubuntu 18.04.1 by using Synaptic to reinstall supporting libraries like otf and m17.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to emacs25 in Ubuntu. https://bugs.launchpad.net/bugs/1730092 Title: package emacs25 25.2+1-6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 Status in emacs25 package in Ubuntu: Confirmed Bug description: reported immediately after logging in. The do-release-update complained that emacs25 package has not been correctly updated. ProblemType: Package DistroRelease: Ubuntu 17.10 Package: emacs25 25.2+1-6 ProcVersionSignature: Ubuntu 4.10.0-38.42-generic 4.10.17 Uname: Linux 4.10.0-38-generic x86_64 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia ApportVersion: 2.20.7-0ubuntu3.1 AptOrdering: NULL: ConfigurePending Architecture: amd64 Date: Sat Nov 4 17:00:21 2017 DpkgHistoryLog: Start-Date: 2017-11-04 17:00:19 Requested-By: damir (1000) ErrorMessage: subprocess installed post-installation script returned error exit status 1 InstallationDate: Installed on 2017-02-26 (250 days ago) InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2) Python3Details: /usr/bin/python3.6, Python 3.6.3, python3-minimal, 3.6.3-0ubuntu2 PythonDetails: /usr/bin/python2.7, Python 2.7.14, python-minimal, 2.7.14-2ubuntu1 RelatedPackageVersions: dpkg 1.18.24ubuntu1 apt 1.5 SourcePackage: emacs25 Title: package emacs25 25.2+1-6 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 UpgradeStatus: Upgraded to artful on 2017-11-04 (0 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/emacs25/+bug/1730092/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp