Yes, I still have FSX installed.  I am not too keen on deleting it all while I am still in the process of making the transition over to P3Dv2.  So it is a gradual migration, if you will.  Some of it is a little more gradual than the rest.

Well I don't really want to go spend another 30 Euro just to have the exact same issue here.

I have done all the proper removal, deletions, cleaning registry and reinstalling as administrator, ber the KB685 or whatever # that is.

So evidently the install is looking for something in amongst my FSX files and not finding it in regular P3D mode.  I had the same thought.  Then when I run Legacy Mode (which is not stable and creates all kind of error messages caused by other add-ons), it seems to locate what it is looking for and voila, it works!

I just need to localize what that is.