It seems like your /etc/default/grub file was edited incorrectly or was otherwise corrupted (from the dpkg terminal log):
/etc/default/grub: line 11: GRUB_CMDLINE_LINUX_DEFAULT: command not found run-parts: /etc/kernel/postinst.d/zz-update-grub exited with return code 127 Seeing what's gone wrong there and correcting should at least get you unstuck. ** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1487033 Title: package linux-image-3.13.0-62-generic 3.13.0-62.102 failed to install/upgrade: run-parts: /etc/kernel/postinst.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/1487033/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
