The bug specifically impacts Windows 11 24H2 installations created using manually prepared media with security updates from October or November 2024. Affected systems cannot accept future Windows security updates, which means the devices can be exposed to vulnerabilities, as reported by Bleeping Computer.

Microsoft has clarified that this issue only applies to users who installed the Windows 11 24H2 update using a USB drive or CD

Microsoft's official 24H2 update for Windows 11 has been saddled with one bug after another. Here's why you might want to avoid updating and what you may find if you jump into the new version now.

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Windows 11 24H2 is more stable than any release of Windows 11, but a bug causes installation issues with new cumulative updates.

Microsoft is warning users that some manually made Windows 11 installer media could contain a bug where new PC installs may not get future security updates. It affects USB and CD installers made with October and November release patches,

This is just the latest in a long string of issues for the most recent release of Windows 11. The 24H2 release has been plagued with problems, including broken Auto HDR, busted USB scanners, wonky USB audio, problems with Outlook, major issues with certain Ubisoft games, and various other SNAFUs with specific hardware and software configurations.

Security updates are broken for Windows 11 PCs installed with physical media using the October 2024 and November 2024 updates, but there is a fix.

Microsoft is warning of an issue when using a media support to install Windows 11, version 24H2, that causes the operating system to not accept further security updates.

It's about time Windows 11 users got some good news about updates. Microsoft recently claimed in a blog post that thanks to 24H2's servicing stack, the update installs up to 45.6% faster than previous versions of Windows. The upcoming update will use fewer system resources, and the restart time will be faster.

If you recently installed Windows 11 and are now unable to install more recent security updates, you're not alone. It looks like a bug in recent Windows 11 installation media is causing all future security updates to fail during the installation phase,