Microsoft explains if Windows 11 26H2 has issues, and whether you should skip the update

Microsoft explains if Windows 11 26H2 has issues, and whether you should skip the update

By Mayank Parmar
Publication Date: 2026-09-30 00:02:00

This year’s annual update, “Windows 11 26H2,” is officially rolling out, and it doesn’t come with anything new for consumers, but that doesn’t mean there are no bugs. If you have issues with Windows 11 25H2 or 24H2, you’re also going to have those issues with Windows 11 26H2, and Microsoft has confirmed that there are at least three problems.

Windows 11 26H2 has a bug that breaks audio on some PCs

Windows 11 Build 26200.9445 audio issue

The first is a bug where audio does not work on some PCs, so even if you try to adjust the volume or turn it up to 100%, you won’t hear anything.

“After installing Windows 11, version 26H2, some USB Audio Class 1.0 devices might fail to start or produce audio,” Microsoft warned in a support document.

If you run into this bug, neither your headphones nor your mic will work, and Device Manager will throw an error that says “Device cannot start.” Disabling or removing the driver does nothing because it’s Microsoft that broke it.

Now, if you…