Live Stream Error codes on much of the app

Installing the live stream it is same Arthur wowownder i assumed would be easy install its is much different I cannot update any files keep giving error code in the update about us photos contact info ., It still has ,me login in under the admin login provided with app and also never ask me to in put purchase code cant seem to find anyone that will answer not even the author. Any suggests when i am in c panel and open confiug and few others says error 403 and 401