Games wont work?

[g]

Evrytime i go on the game thing with the control and go on ps3 titles and in there its got tekken 5 and mortal combat 2 and evytime i want to go on them it comes up with '' The copyright protection information is invalid '' i bought this of ebay and got it today and it dosnt have ethernet connection anyone know whats wrong with it.

[Jibbish]

You need the US version of a PS3 to play tekken5 or mortal combat.