Patrick,

Computers and our hobby continue to fool me!  I have:

1,  Rebuit FSX.cfg with and without installing all my addons' dll {another company etc}
2.  Rebuilt FSUIPC.ini
3.  Run FSX withall sliders at minimum
4.  Changed graphics card settings.

Finally, I rebuilt the dll.xml - Eureka!  We now see the ILS.

As far as I can see, there is no difference between the old and new dll.xml but we had a similar solution to a problem with Traffic X when it was first released.

Thanks for your help.
Regards

John