As Neowin has just discovered, “Microsoft doesn't like you downloading Windows 10 even from official sources anymore,” with “cautionary banners about the upcoming end of life (EOL) of Windows 10 ...
With Windows 8.1 and earlier versions, we had Windows Update giving us options to: Install updates automatically (Recommended) Download Updates but choose when to install them Check for updates ...
The undeletable cache issue stems from the "checkpoint update" system, a feature designed to download smaller, incremental patches instead of full updates.