Universal Plug and Play Device Host Service - UPNPHOST.DLL
Upnphost.dll is a service provided by Microsoft as part of your Windows operating system. It povides support to host Universal Plug and Play devices. By default, this runs as a 'manual' service. We'd recommend leaving this file alone.

A description of services that run under svchost in Windows XP can be found at http://support.microsoft.com/default.aspx?scid=kb;en-us;314056.

A description of default services running under Winodws can be found at http://support.microsoft.com/default.aspx?scid=kb;en-us;Q250320.

Service

Microsoft