For what it's worth, my SDK folder is located:
P:\Prepar3D v3 SDK 3.4.22.19868
which is outside my main P3D folder. Is that the normal location?
It has no relevance if you follow the above, we are not pointing anything to the sdk
Please see the most recent updates in the "Where did the .com name go?" thread. Posts number 16 and 17.