Thanks again Asyn.
I followed the steps of your new link and installed the WebRTC block extension for Chrome. I also used internet explorer, but it didn't work. It doesn't allow me to play videos on streaming on the BBC web and when I try to download them via BBC iplayer it says: "DASH manifest failed".
I hope there is a solution for it and that there is a way to watch the BBC content out of the UK. Anyway, thanks a lot for your help!