Go get Chrome and see if it plays. There are other reasons such as an owner that set the security in some protection to maximum but I see so little detail here that we'll start with the usual advice. Try CHROME.
i've tried so many times in so many browsers but i get this message everytime 200, Stream not found, NetStream.Play.StreamNotFound, clip: '[Clip] 'http://...''
in another computeer ive tried it opens .can anybody help me