Routing and Remote Access Service - MPRDIM.DLL
Mprdim.dll is a service provided by Microsoft. It offers routing services to businesses in local area and wide area network environments. It provides LAN and WAN dial-in access to the network. It is unlikely that it is needed on a single-user home system. By default, this service is set to "disabled" on XP Home and XP Pro SP2. It is set to manual for XP Pro without the SP2 patch.
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