running kmeaw cfw

my tv icon is there the 4od and bbc iplayer both load, you goto select a programme to watch it goes to load then it just sits there with a black screen if you exit then try to do something else it crashes the ps3,it can still power down via the controller though, but gives 2 beeps powering down as though there is a error

slim 120gb ps3

any ideas?

or anyone using another cfw that the tv stuff works with