Silverlight and linux are not friends. This is the Tutorial from which i could watch movies for silverlight successfully on my Ubuntu Machine. Pipelight Installation So for Ubuntu you have to do some little things … For my personal recommends i added chromium to split the usage of a normal browser and a dedicated one. sudo add-apt-repository ppa:pipelight/stable sudo apt-get update sudo apt-get install --install-recommends pipelight-multi sudo pipelight-plugin --enable silverlight sudo apt-get install chromium-browser go out there and Happy Silverlighting…