[Bug 1844468] [NEW] Error de instalacion de grub-amd-64-signed in /target/

[Fernando Challco]

Public bug reported:

I have a partition of HDD and Windows 8.1 with MBR, and I created a live ubuntu 19.04 usb in MBR mode through rufus, the installer forced me to create the EFI partition, I tried the boot repair and when rebooting the same black screen appears with a line of information that says
"System BootOrder not found. Initializing defaults."
a few seconds and ubuntu starts, for more than reinstalling and updating grub dendro of the Operating System as in the Live usb, I cannot access Windows again and neither does the grub appear at the beginning. Any recommendations to recover the Grub?
This is my partition system.
/sda3,2,1 ntfs(Windows 8.1)
/sda4 extended
/sda5 = swap
/sda6 = /
/sda7 = efi boot-esp

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: ubiquity 19.04.9
ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
Uname: Linux 5.0.0-13-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
CasperVersion: 1.405
Date: Tue Sep 17 20:43:56 2019
InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
LiveMediaBuild: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
SourcePackage: grub-installer
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: grub-installer (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug disco ubiquity-19.04.9 ubuntu

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https://bugs.launchpad.net/bugs/1844468

Title:
  Error de instalacion de grub-amd-64-signed in /target/

Status in grub-installer package in Ubuntu:
  New

Bug description:
  I have a partition of HDD and Windows 8.1 with MBR, and I created a live ubuntu 19.04 usb in MBR mode through rufus, the installer forced me to create the EFI partition, I tried the boot repair and when rebooting the same black screen appears with a line of information that says
  "System BootOrder not found. Initializing defaults."
  a few seconds and ubuntu starts, for more than reinstalling and updating grub dendro of the Operating System as in the Live usb, I cannot access Windows again and neither does the grub appear at the beginning. Any recommendations to recover the Grub?
  This is my partition system.
  /sda3,2,1 ntfs(Windows 8.1)
  /sda4 extended
  /sda5 = swap
  /sda6 = /
  /sda7 = efi boot-esp

  ProblemType: Bug
  DistroRelease: Ubuntu 19.04
  Package: ubiquity 19.04.9
  ProcVersionSignature: Ubuntu 5.0.0-13.14-generic 5.0.6
  Uname: Linux 5.0.0-13-generic x86_64
  ApportVersion: 2.20.10-0ubuntu27
  Architecture: amd64
  CasperVersion: 1.405
  Date: Tue Sep 17 20:43:56 2019
  InstallCmdLine: BOOT_IMAGE=/casper/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper quiet splash ---
  LiveMediaBuild: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  SourcePackage: grub-installer
  UpgradeStatus: No upgrade log present (probably fresh install)

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