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 has issued a warning about a bug affecting manually created Windows 11 installer media. USB or CD media including the October 2024 or November

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

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 has recently found a strange bug in some Windows 11 installations. This may prevent certain users from receiving important security updates. And unfortunately, all it takes to trigger this glitch is to install Windows from a CD or USB drive.

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,