Windows 10 964 Published by

Windows 10 22H2 Build 19045.4955 (KB5043131) is now available in the beta and release preview channels for Windows Insiders running Windows 10 22H2. The update brings enhancements to Microsoft Entra single sign-on, IE mode, COSA profiles, media playback, File Explorer and taskbar, Windows Update opt-in notifications, and directory enumeration. The update resolves difficulties with DMA prompts, IE mode, and certain surround sound technologies.



Releasing Windows 10 Build 19045.4955 to Beta and Release Preview Channels

Hello Windows Insiders, today we are releasing Windows 10 22H2 Build 19045.4955 (KB5043131) to BOTH the Beta Channel and Release Preview Channel for Insiders who are on Windows 10, version 22H2.

This update includes the following features and improvements for Windows Insiders in BOTH the Beta and Release Preview Channels

Items bolded in brackets indicate the area of the change being documented:

  • [Microsoft Entra single sign-on (SSO)] The SSO notice that the European Digital Markets Act (DMA) requires prompts too often. This occurs when you authenticate using a certificate. To learn more, see:  Upcoming changes to Windows single sign-on.
  • [IE mode] Microsoft Edge sometimes stops responding when you use IE mode.
  • [Country and Operator Settings Asset] This update brings COSA profiles up to date for certain mobile operators.
  • [Media playback] Playback of some media might stop when you use certain surround sound technology.
  • [File Explorer and taskbar] Windows server stops responding when you use apps like File Explorer and the taskbar.
  • [Windows Update opt-in notifications] They now appear when you sign in.

  • [Directory enumeration] This might fail if a directory has symbolic links that have long target names.


Releasing Windows 10 Build 19045.4955 to Beta and Release Preview Channels