can you PM me your email address, I seem to has misplaced it. I have the files for you to allow QC from the CFS3 part of OFF.
you cant actually access 3rd party standalones in the OFF manager in OFF Phase 3 or 4. (the payware ones.)
I have made a set of dialog files, which control what buttons and text you see in the GUI while CFS3 is running. I added back in the buttons to allow you to select QC and Multiplayer. and put the right texture files back into the UIRES folder so you can see the buttons.
thanks again for the great planes.