Once the update is completely finished.. Unplug the apple TV from power..
Wait one minute, plug it back in.. And then run the update again just to make sure it downloaded and installed the newest version.
if it is now up to date.. Try again to download a video.. Working better now?
You can get back to me on this same question, the same way you have been doing.. Just send me a reply. Or.. Log into JustAnswer.com, then on the Top right, click on my questionsThen, click the "reply to expert" next to my face..
If my answer helped, please click one of the smiley faces to rate the solution, and then click the green accept button to accept the answer..If my answer did not work, please wait to rate the answer and also wait to accept and instead send me a reply so that I can continue to assist you as needed.Thanks! D.Sandlin