This update includes a background service to facilitate Windows Update service on devices running Home or Pro editions of Windows 10 Versions 1507, 1511, 1607, and 1703.
This update includes files and resources to address issues affecting background update processes in the Windows Update servicing stack. Maintaining Window Update service health and performance helps ensure that quality updates are installed seamlessly on your device and help to improve the reliability and security of devices running Windows 10.
How to get this update
Only certain builds of Windows 10 Versions 1507, 1511, 1607, and 1703 require this update. Devices that are running those builds on Home or Pro editions that are not domain joined will automatically get the update downloaded and installed through Windows Update. Devices not connected to Windows Update may see a User Account Control (UAC) prompt during installation. Click Yes to install.