This describes what it is:
People are quite often "troubled" by prompt boxes popping up all the time, and disable the service. However, if you simply have a link sitting on your taskbar it doesn't sound too much of a problem. If however, you wanted to disable it here are the instructions on how to do it:
To disable Interactive Services Dialog Detection messages in Vista, search the word “services” in your Start menu, click on Services when it comes up, and find Interactive Services Detection in the list of services. Right click it, and click Properties. Here, you can either Stop the service, or choose “Disabled” from the Startup Type menu. Either of these things will stop these messages from appearing.