Hi Markus,
there is another property node named App.Kind. This gives you a more detailed information about the current runtime environment. With this property node you can even detect if you are running in the Student edition or under LV RT.
Waldemar
Using 7.1.1, 8.5.1, 8.6.1, 2009 on XP and RT
Don't forget to give Kudos to good answers and/or questions