Atv Flash ( black ) 2.5 Error 9.100

Since Today i got the Error 9.100 don’t know why i try it on 2 pc 1 mac and laptop all the same issue try it also in other networks and every time the same issue, can some one help me out ? I also try the other steps from this fail , like airplay music and instal etc. but these doesn’t work for me. ( sorry for my bad english hope u can understand what i mean)