If it sticks somewhere (the 1 hour plus one's do sometimes) you'll get a round circle of dots when the movie stops. Just move the cursor very slighty past the red circle on the line on the bottom of the screen. It will start from there. A few seconds past the current spot or so will do.
Also full screen is better. Usually the bottom right button with 4 little arrows pointing out. On some explorers the bottom menu disappears in full screen. Just nudge the cursor and it will come back.
We watched this on HD TV just yesterday afternoon,,,wonderful movie, even Dh sat right through it and seemed to enjoy it. There's a moral there somewhere!