Public bug reported:
Not able to dule boot my windows 7.
http://past.ubuntu.com/25811665/
http://past.ubuntu.com/25811463/
http://past.ubuntu.com/25802632/
ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: grub-efi-amd64-signed (not installed)
ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
Uname: Linux 4.13.0-16-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.5
AptOrdering:
grub-efi-amd64-signed: Configure
shim-signed: Configure
NULL: ConfigurePending
Architecture: amd64
Date: Tue Oct 24 23:49:35 2017
Df:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda6 50847092 4024232 44216928 9% /
udev 1929140 0 1929140 0% /dev
tmpfs 388948 6364 382584 2% /run
DpkgTerminalLog:
Setting up grub-efi-amd64-signed (1.66.7+2.02~beta2-36ubuntu3.7) ...
Installing for x86_64-efi platform.
grub-install: error: cannot find EFI directory.
dpkg: error processing package grub-efi-amd64-signed (--configure):
subprocess installed post-installation script returned error exit status 1
DuplicateSignature:
package:grub-efi-amd64-signed:(not installed)
Installing for x86_64-efi platform.
grub-install: error: cannot find EFI directory.
dpkg: error processing package grub-efi-amd64-signed (--configure):
subprocess installed post-installation script returned error exit status 1
ErrorMessage: subprocess installed post-installation script returned error exit
status 1
RelatedPackageVersions:
dpkg 1.18.4ubuntu1.1
apt 1.2.19
SourcePackage: grub2-signed
Title: package grub-efi-amd64-signed (not installed) failed to install/upgrade:
subprocess installed post-installation script returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: grub2-signed (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-package xenial
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https://bugs.launchpad.net/bugs/1727465
Title:
package grub-efi-amd64-signed (not installed) failed to
install/upgrade: subprocess installed post-installation script
returned error exit status 1
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