MGIMATTY,
Screenshots.
My screen resolution Screenshot 2015-09-21 08.01.51.png
If I de-tick the 'enable sound/image preview' button Screenshot 2015-09-21 08.13.26.png
Then the interface displays correctly with buttons at the bottom, and title bar with minimise, expand and close at the top Screenshot 2015-09-21 08.13.34.png
If I then click on the 'Show descriptions' button at the bottom, the title bar and buttons all disappear Screenshot 2015-09-21 08.15.12.png
Note: I can Tab to the missing buttons, by guesswork, and still progress with the mod installation. So they are functionally there, just not visible.
Thanks
Mick