The Microsoft Windows Update Agent (also referred to as WUA) is an agent program. It works together with the Windows Server Update Services to automatically deliver patches. It’s able to scan your computer and determine what version of Windows you’re running.

What is the process name for Windows Update?

This is a background process which checks with the Microsoft website for updates to the operating system. It shows up on the Task Manager’s processes list when it is waiting for a response, such as to confirm permission to download an update. Note: The wuauclt.exe file is located in the folder C:WindowsSystem32.

What protocol does Windows Update use?

To obtain updates from Microsoft Update, the WSUS server uses port 443 for HTTPS protocol.