KB5066835: Fixed : setup process for Windows Hello face recognition

October 14, 2025—KB5066835 (OS Builds 26200.6899 and 26100.6899)

Highlights
This update addresses security issues for your Windows operating system.

Improvements
This security update contains fixes and quality improvements from KB5065789 (released September 29, 2025). The following summary outlines key issues addressed by this update. Also, included are available new features. The bold text within the brackets indicates the item or area of the change.

• [Browser] Fixed: This update addresses an issue that caused the print preview screen to stop responding in Chromium-based browsers.
• [Gaming] Fixed: An issue occurred when users signed in to a Windows device using only a Gamepad at the lock screen. If no other input methods—such as touch or fingerprint—were used during sign-in, apps and games did not respond to input afterward. ​​​​​​​
• [PowerShell]
  Fixed: This update addresses an issue that affects PowerShell Remoting and Windows Remote Management (WinRM), where commands might time out after 10 minutes.
  ​​​​​​​Fixed: This update addresses an issue that prevented an audit event from being logged.
• [Windows Hello] Fixed: This update addresses an issue that affects the setup process for Windows Hello face recognition when using USB infrared camera modules. Users were unable to complete setup due to a persistent error message, such as “Make sure your face is centered in the frame.” ​​​​​​​
• [Compatibility] This update removes the ltmdm64.sys driver. Fax modem hardware dependent on this specific driver will no longer work in Windows.