Hi Paul, hope you are well, yes I did back up pretty much everything! in fact that was how I fixed it. I compared the panel.cfg files and the aircraft.cfg files and they were the same, then I thought I haven't tried the 737-200, so I did and that worked!!? So back to the Adv. I compared the Adv. sound folders and they were the same only one item a cfg. file referring to the 737-200 alias, then I checked the panel file and discovered that although I had created a V-One file in the 737-200 panel folder I had neglected to do the same for the Adv. panel folder, WHAT A LEMON!!! Once I had done this all was well.
I seem to recall last time we communicated Paul it was because I had left undone those things that I should have done up!

Sorry matey

mog  :'(