Hello again

Being new, I'm keen to learn basics. I have a copy of premium on trial.

Help/movies, produces a page of movies to select. I select one of the categorises and a selection appears. A screen tells me to select a video. I do, and a blank screen is displayed. No matter which movie I select , all I see is a blank screen, nothing is played.

Has anyone had this problem and overcome it? Do I need a fully paid version of Premium before it will display?

Ross