A mandatory Windows 11 security update is wreaking havoc on some systems, and Microsoft is working on a hotfix to reverse the damage. quite a few windows- And Technology focused website Report problems with Windows 11 KB5066835. D Site report That update can disable mice and keyboards in recovery mode, disable network connections for locally hosted apps, and cause problems previewing files in Windows Explorer.
Don’t miss our unbiased technology content and lab-based reviews. Add CNET As a preferred Google source.
The update for Windows 11 versions 24H2 and 25H2 as well as Windows Server 2025 was installed automatically on some systems and could render PCs unusable.
Windows 11 Security
A Microsoft representative did not immediately respond to a request for comment.
Temporary solution
The website Windows Latest said it was contacting Microsoft about the update bug and that a hotfix could take several days. The original update was issued on October 14.
“Microsoft told me that affected users should check for updates and reboot their PCs, even if they don’t see any new updates listed,” Mayank Parmar A Windows wrote in the latest post.
This process allows Windows to roll back its code after fixing it, writes Parmer. The website also offers a change to the Windows Registry that can temporarily fix issues caused by local apps’ ability to use networking and other fixes and updates.