[Bug 1839317] Re: Grub fails to chainload the Windows Boot Manager

[RussianNeuroMancer]

> I'm also facing the same problem and I found a solution which worked
for me on amd64.

Doesn't work for me on aarch64: Bug 1849863

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https://bugs.launchpad.net/bugs/1839317

Title:
  Grub fails to chainload the Windows Boot Manager

Status in grub2 package in Ubuntu:
  Confirmed

Bug description:
  After an update to 2.04 Grub fails to chainload into Windows.

  When selecting the menu item to boot into the Windows Boot Manager,
  the menu flashes and returns.

  When trying to chainload/boot via the Grub command line, nothing
  happens and the prompt reappears.

  When using the same commands in an earlier version (on a bootable USB
  stick) Windows sparks into life.

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