Microsoft is rolling out KB5136493, a non-security emergency out-of-band update, to Windows 10 22H2 and 21H2, aimed at resolving failures in certain system licensing and activation operations. The update applies to Windows 10 Enterprise LTSC 2021, Windows 10 IoT Enterprise LTSC 2021, and Windows 10 22H2 under extended service support; once installed, version numbers will rise to 19044.7850, 19044.7850, and 19045.7850, respectively. The failure manifests when the system may return "0x80041008" with an "invalid parameter" prompt while performing specific operations using software licensing management tools—primarily affecting organizations that configure KMS activation, install product keys, and manage Windows licenses through related commands or automated processes. Devices that are already activated will remain activated, and devices with existing KMS configurations that do not need to execute the related commands further are unaffected. This fix targets licensing management operation failures, not a general system activation failure.