Having Problem With Kisstory Online Radio Player

Hello there, I started having this problem 2 days ago, what happens is I open the Kisstory Player http://kisstory.kissfmuk.com/live/ And nothing shows up where the " play " button should be sometimes the error " There has been an error loading this player " pops up, and the funny thing is when I disable the Shockwave Flash addon from my Firefox the player Shows but it does not play again, when I enable the addon the player dissapeaers again and is so anoying:( also When I clear my History ( cookies, Cache, browsing data etc ) and load the player straight after it shows and it plays perfectly but then if i want to open it again i have the same problem and have to clear my history everytime I want to load it ... please help ! Ive reinstalled flash several times tried running firefox in safe mode etc but cannot seem to fix it