Microsoft has released several emergency patches (so-called “out-of-band” updates) to address some important issues: update KB5066189 for Windows 11 23H2 and 22H2, KB5066188 for Windows 10 22H2 and 21H2, and KB5066187 for Windows 10 LTSC 2019.
Microsoft writes about these patches:
[Fix for reset and recovery issue] This update addresses an issue introduced by the August 2025 security update […] in which attempts to reset or recover the device might fail. This issue happens when users perform one or more of the following processes:
System > Recovery > Reset my PC
System Recovery > Fix problems using Windows Update
RemoteWipe CSP
What do the emergency updates do?
After Microsoft released the big Windows update for August 2025, it caused the installation of the update to fail wi