executing grub install failed; fatal error

[jgc]

I am installing ubuntu in dual boot with windows. The installation went without problems until a moment when I got the following message: executing 'grab-install /dev/sda' failed. There was also an indication that this was a fatal error.

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: ubiquity 2.18.8.12 [modified: lib/partman/automatically_partition/question]
ProcVersionSignature: Ubuntu 4.2.0-27.32~14.04.1-generic 4.2.8-ckt1
Uname: Linux 4.2.0-27-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
CasperVersion: 1.340.2
Date: Tue Apr 5 00:01:07 2016
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed cdrom-detect/try-usb=true noprompt floppy.allowed_drive_mask=0 ignore_uuid boot=casper only-ubiquity quiet splash --
LiveMediaBuild: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
ProcEnviron:
 TERM=linux
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_US.UTF-8
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

[Phillip Susi (psusi)]

Your EFI system partition is corrupt; you will need to repair it either with dosfsck in linux, or chkdsk in windows.

[jgc (jgc134)]

Thank you for your help. I have repaired the file system in windows and
I will make another try to install Ubuntu. Best, Jorge

On 19-Apr-16 02:54, Phillip Susi wrote:
> Your EFI system partition is corrupt; you will need to repair it either
> with dosfsck in linux, or chkdsk in windows.
>
>
> ** Changed in: grub-installer (Ubuntu)
> Status: New => Invalid
>

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