This error appears to be because I had 3 "00_header..." files in /etc/grub.d. Making the two non-active files non-executable made the error regarding the inability to find video.lst from update-grub go away.
sjf@rails-server:~$ ll /etc/grub.d total 108 drwxr-xr-x 2 root root 4096 Oct 23 08:27 ./ drwxr-xr-x 109 root root 12288 Oct 23 14:06 ../ -rwxr-xr-x 1 root root 9424 Jun 26 06:18 00_header* -rw-r--r-- 1 root root 6720 Nov 10 2011 00_header.dpkg-old -rw-r--r-- 1 root root 6698 Nov 10 2011 00_header.orig -rwxr-xr-x 1 root root 6058 May 13 09:51 05_debian_theme* -rwxr-xr-x 1 root root 11608 Jun 26 06:18 10_linux* -rwxr-xr-x 1 root root 10412 Jun 26 06:18 20_linux_xen* -rwxr-xr-x 1 root root 1992 Mar 12 2014 20_memtest86+* -rwxr-xr-x 1 root root 11692 Jun 26 06:18 30_os-prober* -rwxr-xr-x 1 root root 1416 Jun 26 06:18 30_uefi-firmware* -rwxr-xr-x 1 root root 214 Oct 1 2011 40_custom* -rwxr-xr-x 1 root root 216 Jun 26 06:18 41_custom* -rw-r--r-- 1 root root 483 Oct 1 2011 README -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1509395 Title: package grub-pc 2.02~beta2-9ubuntu1.3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 64 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1509395/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
