Disable the UPnP Device Host first by double-clicking on the service and selecting "Disabled" in the drop-down menu, instead of the default "Manual." Next, go on to the SSDP Discovery Service, double-click and select to stop the service, then disable it in the same manner. I hope this helps anyone who might be confused about how to be rid of UPnP.

Disable UPnP without disabling Network discovery - Windows Oct 09, 2018 "UPnP not available" (problems with Web access settings) Apr 01, 2016 How do I enable Universal Plug and Play on my NETGEAR Jan 25, 2017

What is UPnP? How to Disable UPnP on Router

The other more secure method is to disable UPnP completely. Before you do, it’s recommended to check whether your router is vulnerable to UPnP exploits. You should also consider whether you want to give up the convenience of UPnP and whether you will be able to set up your devices manually. Doing so may require some technical know-how. [Wireless] How to make my router more secure? | Official Feb 26, 2020

How To Enable DLNA Server in Windows 10 - Winaero

May 31, 2020 Disable This Buggy Feature On Your Router Now To Avoid A