Public bug reported: just got this error during install . sorry I do not know enough to elaborate
ProblemType: Package DistroRelease: Ubuntu 14.04 Package: grub-pc 2.02~beta2-9ubuntu1.4 ProcVersionSignature: Ubuntu 3.19.0-31.36~14.04.1-generic 3.19.8-ckt7 Uname: Linux 3.19.0-31-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.1-0ubuntu3.18 Architecture: amd64 Date: Sun Nov 1 12:00:12 2015 DuplicateSignature: package:grub-pc:2.02~beta2-9ubuntu1.4:subprocess installed post-installation script returned error exit status 127 ErrorMessage: subprocess installed post-installation script returned error exit status 127 InstallationDate: Installed on 2015-10-21 (10 days ago) InstallationMedia: Ubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805) InvalidGrubScript: /etc/default/grub ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-31-generic root=UUID=e5935e2c-d417-437e-b2b7-cc731d9bfc28 ro quiet splash RelatedPackageVersions: dpkg 1.17.5ubuntu5.4 apt 1.0.1ubuntu2.10 SourcePackage: grub2 Title: package grub-pc 2.02~beta2-9ubuntu1.4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127 UpgradeStatus: No upgrade log present (probably fresh install) ** Affects: grub2 (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-package need-duplicate-check package-from-proposed trusty -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1512148 Title: package grub-pc 2.02~beta2-9ubuntu1.4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 127 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1512148/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs