I'm affected by this bug, and I am unable to install any packages due to it. Is there something I can do to resolve this, outside of a fresh install? I'm on a minimal install of 18.04, which was up to date as of 4 days ago.
sudo apt-get -f install Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are no longer required: gnome-themes-standard libdleyna-core-1.0-3 libgssdp-1.0-3 libgupnp-1.0-4 libmhash2 Use 'sudo apt autoremove' to remove them. 0 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade. 2 not fully installed or removed. After this operation, 0 B of additional disk space will be used. Setting up gnome-session (3.28.1-0ubuntu3) ... update-alternatives: error: cannot stat file '/etc/alternatives/gdm3.css': Invalid argument dpkg: error processing package gnome-session (--configure): installed gnome-session package post-installation script subprocess returned error exit status 2 dpkg: dependency problems prevent configuration of ubuntu-gnome-desktop: ubuntu-gnome-desktop depends on gnome-session; however: Package gnome-session is not configured yet. dpkg: error processing package ubuntu-gnome-desktop (--configure): dependency problems - leaving unconfigured No apport report written because the error message indicates it's a follow-up error from a previous failure. Errors were encountered while processing: gnome-session ubuntu-gnome-desktop E: Sub-process /usr/bin/dpkg returned an error code (1) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1761014 Title: package vanilla-gnome-default-settings 17.10.4 failed to install/upgrade: installed vanilla-gnome-default-settings package post-installation script subprocess returned error exit status 2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-gnome-default-settings/+bug/1761014/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs