WATCHING A VIDEO. WHEN I START TO DOWNLOAD A VIDEO I PRESS ON THE ARROW AT THE BEGINNING IT SLOWLY

Question

WHEN I START TO DOWNLOAD A VIDEO I PRESS ON THE ARROW AT THE BEGINNING IT SLOWLY MOVES ACROSS AND GETS TO THE END AND A REPLAY POP UP COMES ON AND WHEN I PRESS IT THE WHOLE PROCESS STARTS OVER AGAIN. I CANT WATCH THE VIDEO WITHOUT THE STOPS IN TALKING, ETC. WHAT SHOULD I DO