Thanks VideoTrack for your reply and the screenshots.

I have that menu on some of the instruments and when I click on "Select High-Q MIDI Patch" I have the "Access violation" error.

I'm using all 'RealTracks' for this project so would that explain the error?

As mentioned earlier, I have installed everything so if this should work with 'RealTracks' then there must be some kind of problem with my install here.