Microsoft has confirmed an unusual warning for Windows users updating their PCs. If you make a simple mistake, your PC “might remain in a state where it cannot accept further Windows security updates.” Bad news, especially as it will clearly be confusing if and when it happens.

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.

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,

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.

Installing some recent versions of Windows 11 could leave you vulnerable to security issues due to an update flaw; here's how to avoid the problem.

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,

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

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,