August 19, 2025—KB5066189 (OS Builds 22621.5771 and 22631.5771) Out-of-band
This article lists the fixed issues and quality improvements included in this out-of-band update.
Windows 11, version 23H2
Important: Use EKB KB5027397 to update to Windows 11, version 23H2.
This non-security update includes quality improvements from KB5063874 (released August 12, 2025). When you install this KB:
[Fix for reset and recovery issue] This update addresses an issue introduced by the August 2025 security update ( KB5063874), in which attempts to reset or recover the device might fail. This issue happens when users perform one or more of the following four processes:
System > Recovery > Reset my PC
System Recovery > Fix problems using Windows Update
For more information, see the documentation on Windows release health. We recommend installing this optional out-of-band (OOB) update if you’ve encountered this issue. If your system isn’t affected or you don’t plan to use the processes described above, you can choose not to install the update.
If you installed earlier updates, your device downloads and installs only the new updates contained in this package.
Windows 11, version 22H2
This non-security update includes quality improvements from KB5063874 (released August 12, 2025). When you install this KB:
[Fix for reset and recovery issue] This update addresses an issue introduced by the August 2025 security update ( KB5063874), in which attempts to reset or recover the devices might fail. This issue happens when users perform one or more of the following four processes:
System > Recovery > Reset my PC
System Recovery > Fix problems using Windows Update
For more information, see the documentation on Windows release health. We recommend installing this optional out-of-band (OOB) update if you’ve encountered this issue. If your system isn’t affected or you don’t plan to use the processes described above, you can choose not to install the update.
If you installed earlier updates, your device downloads and installs only the new updates contained in this package.
Windows 11 servicing stack update (KB5062686) - 22621.5690 and 22631.5690
This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates. To learn more about SSUs, see Simplifying on-premises deployment of servicing stack updates.
August 19, 2025—KB5066189 (OS Builds 22621.5771 and 22631.5771) Out-of-band - Microsoft Support
Microsoft has released KB5066189, an out-of-band update for both Windows 11 23H2 and Windows 11 22H2. This update resolves an issue that arose from the August 2025 security update, which may lead to failures in device reset or recovery attempts. The update resolves the issue encountered by users during the execution of four specific processes: System > Recovery > Reset my PC, System Recovery > Fix problems using Windows Update, and RemoteWipe CSP. In the event that the issue arises, it is advisable to consider the optional out-of-band (OOB) update.
