What is User Interface Privilege Isolation (UIPI) This is also known as UI Privilege Level Isolation (UIPI). As part of the secure initiatuve in Vista, applications with UI will run in three different levels of privilege. Application windows can interact...

This is really a good article: http://msdn.microsoft.com/library/default.asp?url=/library/en-us/IETechCol/dnwebgen/ProtectedMode.asp Gives you a detailed info on the working with IE in protected mode.

From a cmd window run: tasklist /FI "IMAGENAME eq yourImageName.exe" or for services: tasklist /FI "SERVICES eq yourServiceName " That will give you the PID(s) of your app or service. Then you can do (assuming pid 1234): netstat - ano ...