You have incorrectly modified your /etc/default/grub file and will need to correct it.
** Changed in: grub (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/1541213 Title: package linux-image-4.2.0-16-generic 4.2.0-16.19 failed to install/upgrade: run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code 127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub/+bug/1541213/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs