[Bug 2130500] [NEW] grub doesn't detect windows 11

[moharam dehghanfeizabadi]

Public bug reported:

I install ubuntu after installing windows 11 but the grub is not working
so I have to repair grab always after fresh ubunto installing. I install
ubuntu and windows 11 side by side. it seems there is a problem
detecting window11

ProblemType: Bug
DistroRelease: Ubuntu 25.04
Package: ubuntu-release-upgrader-core 1:25.04.18 [origin: unknown]
ProcVersionSignature: Ubuntu 6.14.0-35.35-generic 6.14.11
Uname: Linux 6.14.0-35-generic x86_64
ApportVersion: 2.32.0-0ubuntu5.3
Architecture: amd64
CasperMD5CheckResult: pass
CrashDB: ubuntu
CrashReports:
 644:0:109:0:2025-11-01 21:34:40.505260673 +0330:2025-11-01 21:34:40.505260673 +0330:/var/crash/kdump_lock
 644:0:109:288:2025-11-01 21:35:07.282260376 +0330:2025-05-23 15:15:04.362519013 +0330:/var/crash/kexec_cmd
Date: Sat Nov  1 21:57:30 2025
InstallationDate: Installed on 2025-05-23 (162 days ago)
InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
PackageArchitecture: all
ProcEnviron:
 LANG=en_US.UTF-8
 PATH=(custom, no user)
 SHELL=/bin/bash
SourcePackage: ubuntu-release-upgrader
UpgradeStatus: Upgraded to plucky on 2025-11-01 (0 days ago)
VarLogDistupgradeAptlog:
 Log time: 2025-11-01 21:55:38.792488
 Log time: 2025-11-01 21:55:54.812296
 Log time: 2025-11-01 21:56:35.206048
 Log time: 2025-11-01 21:57:37.473049
VarLogDistupgradeTermlog:

** Affects: ubuntu-release-upgrader (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug dist-upgrade plucky third-party-packages

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https://bugs.launchpad.net/bugs/2130500

Title:
  grub doesn't detect windows 11

Status in ubuntu-release-upgrader package in Ubuntu:
  New

Bug description:
  I install ubuntu after installing windows 11 but the grub is not
  working so I have to repair grab always after fresh ubunto installing.
  I install ubuntu and windows 11 side by side. it seems there is a
  problem detecting window11

  ProblemType: Bug
  DistroRelease: Ubuntu 25.04
  Package: ubuntu-release-upgrader-core 1:25.04.18 [origin: unknown]
  ProcVersionSignature: Ubuntu 6.14.0-35.35-generic 6.14.11
  Uname: Linux 6.14.0-35-generic x86_64
  ApportVersion: 2.32.0-0ubuntu5.3
  Architecture: amd64
  CasperMD5CheckResult: pass
  CrashDB: ubuntu
  CrashReports:
   644:0:109:0:2025-11-01 21:34:40.505260673 +0330:2025-11-01 21:34:40.505260673 +0330:/var/crash/kdump_lock
   644:0:109:288:2025-11-01 21:35:07.282260376 +0330:2025-05-23 15:15:04.362519013 +0330:/var/crash/kexec_cmd
  Date: Sat Nov  1 21:57:30 2025
  InstallationDate: Installed on 2025-05-23 (162 days ago)
  InstallationMedia: Ubuntu 25.04 "Plucky Puffin" - Release amd64 (20250415.3)
  PackageArchitecture: all
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
  SourcePackage: ubuntu-release-upgrader
  UpgradeStatus: Upgraded to plucky on 2025-11-01 (0 days ago)
  VarLogDistupgradeAptlog:
   Log time: 2025-11-01 21:55:38.792488
   Log time: 2025-11-01 21:55:54.812296
   Log time: 2025-11-01 21:56:35.206048
   Log time: 2025-11-01 21:57:37.473049
  VarLogDistupgradeTermlog:

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