I also tried 3Player and that worked fine I watched a full 1 hour program, it must be with ITV's feeds mind you ABC iView wold not work and RTE Player played some programs then Locked my Duo2 up I have just had to switch it off at the back
I did not bother trying 4oD as I could not be bothered to type any thing in, plus I could not think of any programs that I never watch on it