http://localhost:9981/extjs.html# I see my Tv adapter an can search channels and so on so i think everything works and on kodi I´ve enabled live tv, the Tvheadend HTPS Clien and thetvheadend streaming server. what else do i have to do? the streaming server is version 4.3.11 the client ist version 1.9.40 if this helps
Access control? Have you got a username/password combination in the addon that matches what's expected on the backend - even if it's on the same system?
After that, it's debug log(wiki) time to see what the addon and Kodi think they're doing.