This turned out to be an issue with a broken package: linux-image-4.4.0-59-generic
fixed with: sudo apt remove linux-image-4.4.0-59-generic sudo dpkg --configure -a sudo apt install linux-image-4.4.0-59-generic -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1655825 Title: package linux-image-4.4.0-59-generic 4.4.0-59.80 failed to install/upgrade: subprocess installed post-installation script returned error exit status 2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1655825/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs