Disk recognition problems months ago meant that I had to shift the FSX.
Once the computer started talking to the various drives again, links to my add-ons were irrelevant.
I decided to start from scratch on the SSD which was bought to be my new "C" drive.
Used System Mechanic to scrub the SSD, and proceeded with the new set up.
Haven't had much trouble with the aircraft, except the prop wouldn't spin on the A2A Piper PA28, even though it flew

The ORBX scenery seems OK.
Am now trying to get OZX back in the fold. As some of you may know, they've gone off the net, but most/all files have been archived and are accessible from other places, like FlightSim.com.
I'm considering upgrading my 3x2Gb RAM to 3x8Gb. Would this speed things up, do you think? Never known which bits improve, or limit the performance.
I'll update as things happen