Windows 10’s cumulative update in February for May 2020 Update (and October 2020 Update) systems reportedly has a bug with the potential to disable some webcams, and Microsoft is now working on a fix for this problem.
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A Microsoft software engineer stated: “Thank you for bringing the issues with Intel RealSense Camera to our attention. We are aware of the issue and are working on a fix. In the meantime, if you need to get your camera working, please follow the instructions on how to remove an installed Windows Update.”
In other words, for the time being, if your webcam has been rendered useless by the KB4601319 patch, your only recourse is to remove the update (if you’re not sure how, we’ve got a handy guide on that).
According to Microsoft’s release notes, cumulative update KB4601319 provides security improvements for using peripherals like a mouse, keyboard, or stylus, as well as updates for verifying passwords.
There is a known issue with Discord (although that’s resolved in the latest update for the Discord app), and some other reported problems as seen on Reddit, with the patch actually breaking the mouse and keyboard for one user. This isn’t the only report of issues with a mouse after applying KB4601319, either, as Windows Latest notes.
Worryingly, there are scattered reports of nasty Blue Screen of Death (or black screen) crashes with the update, as well, but fortunately these don’t seem to be widespread.
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Darren is a freelancer writing news and features for TechRadar (and occasionally T3) across a broad range of computing topics including CPUs, GPUs, various other hardware, VPNs, antivirus and more. He has written about tech for the best part of three decades, and writes books in his spare time (his debut novel - 'I Know What You Did Last Supper' - was published by Hachette UK in 2013).