Winsage
October 19, 2025
Microsoft's October update to Windows 11, identified as KB5066835, has caused USB keyboards and mice to become non-functional in the Windows Recovery Environment (RE), preventing users from accessing essential recovery tools. This issue does not affect older PS/2 keyboard and mouse models. Microsoft has acknowledged the bug and is working on a fix. The update has also caused complications with localhost connections, impacting developers. The affected versions include Windows 11 25H2, Windows 11 24H2, and Windows Server.