Universal Plug and Play (UPnP) is kind of like an expanded version of the old Plug and Play hardware support. Many years ago, when you would buy a new sound card, you would have to manually set up all of the configuration data, such as the interrupt and address that it was going to run at. Then Plug and Play technology came around and automated that whole pro cess so that the user did not have to worry about managing interrupt and address numbers any more. Now there is Universal Plug and Play, which expands the easy install concepts of the original Plug and Play to a whole new class of devices. Universal Plug and Play can not only detect local devices such as hardware (the original version), but it can also detect external hardware such as printers across the network or other PCs shared drives. Universal Plug and Play, theoretically, is a great idea. It gives you the ability to easily add and control devices such as a printer across your local network, an MP3 player, a televisio...