The reason you get the error message is because it is a file the divx player can not play. That is self-explanatory in the error message. You need to install a web player that will play said files, (vlc is the popular choice), or simply download and play in player that can handle the file type.
The internet interprets censorship as damage and routes around it.
I may not believe in what you say, but I will fight to the death for your right to say it
Those who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety
It is the mark of an educated mind to be able to entertain a thought without accepting it