Windows 11 Bug Prevents Security Update Installations

Microsoft Warns Users of Windows 11 Installer Media Bug

Microsoft has issued an important warning to users regarding a bug that affects certain manually created Windows 11 installer media. This bug primarily impacts users who create installation media using the October and November release patches, which is particularly relevant for professionals setting up PCs in business or education environments, as well as PC enthusiasts.

Understanding the Issue

The issue has been detailed on Microsoft’s known issues page for Windows 11, version 24H2. Users attempting to install Windows 11 using media that incorporates the October 2024 or November 2024 security updates may find that their devices cannot accept future Windows security updates. This can cause significant security risks for users.

Scope of the Problem

• Only users who created installation media after October 8, 2024, and before November 12, 2024, are impacted.
• PCs that have received these updates through Windows Update or the Microsoft Update Catalog website are not affected.

Recommended Mitigation Steps

To resolve the problem, users are advised to:

1. Rebuild their Windows 11 installation media using the December 2024 patch update, which was released on December 10, 2024.
2. Reinstall Windows using the newly created media.

To avoid this issue from occurring, Microsoft recommends ensuring that any media used to install Windows 11, version 24H2, includes the December 2024 monthly security update.

Other Bugs in Windows 11 Version 24H2

Aside from the installation media bug, various reports, including one from Bleeping Computer, have highlighted additional problems with Windows 11 version 24H2. These issues include:

• Compatibility problems with specific audio devices.
• Challenges launching Outlook when synchronizing with an outdated Google Workspace Sync.
• Unexpected compatibility issues with some Ubisoft games, which are gradually receiving updates to fix these issues.

Conclusion

For those utilizing Windows 11 version 24H2, it is crucial to remain aware of these bugs and follow the recommended mitigation steps. Microsoft has acknowledged the issue and is actively working towards a permanent fix. In the meantime, users should ensure their installation media is correctly updated to maintain security and functionality.