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 ...
Microsoft confirmed KB5124008 and KB5124012 kill USB Audio Class 1.0 devices on Windows 11 24H2 and later. There’s no fix yet, and the audio bug is one item on a longer list. Your speakers didn’t die.
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 ...
Windows 11's latest update breaks the sound on some PCs The September update also messes with File History Microsoft is working on a fix for the audio glitch, but we don't have an ETA Windows 11's new ...
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