Hi, Once in awhile, videos will not play for students. Here is the fix as suggested by a tech specialist at a school who uses Studioweb: In a nutshell:  Sometimes videos don't playback because of a known browser bug. It seems many browsers have it. Anyway, doing the above seems to fix it. Clearing browser cache can also help. But doing the above takes care of that.  From Google: Clear cache and cookies Check to see if the video will play in an Incognito wind