I checked the forums and didn't see an answer to this issue. Here is what is going on.
I have about 5 movies on My Videos which I purchased and downloaded. When I go to play them and click on play, they seem as if they are going to play (the loading symbol is spinning) and then the screen just turns white and nothing happen. If I press a button on the remote/controller it shows the movie menu (play, pause, stop, cc, etc) but alas, no movie.
I tried the following things to resolve it:
1. Refreshing the movie list
2. Deleting the movies and re-downloading them.
3. Deleting the My Video App
4. Trying to stream the movies instead of downloading
5. Refreshing some more.
I have a 250 GB hard drive with plenty of space left (at least 100+ GB). The issue didn't start until after the points went away and purchases were made with dollars instead. I'm not sure that is related but it just seems coincidental.