4 things to check before upgrading your streaming/editing PC to Windows 11 26H2 (2026 Update): USB Audio Class 1.0 silence remains unfixed, full-screen game capture stops due ...

The Windows 11 annual update, "2026 Update (version 26H2)," began rolling out on September 29, 2026. For streaming and editing PCs, the concern is not the new features, but the known issues that have ...
TweakTown

Microsoft confirms Windows 11 September update kills audio output on some PCs

Microsoft says KB5124008 (Sept. 8) can disable USB Audio Class 1.0 devices on Windows 11 (24H2, 25H2, 26H1), causing Code 10 errors, muted output, and unresponsive sound controls; multichannel modes ...
BleepingComputer

Microsoft: September updates break audio on some Windows PCs

Microsoft has confirmed that USB audio devices may fail on some Windows systems after installing the KB5124008 and KB5124012 September 2026 security updates. This known issue affects only devices ...