As Channel 4 on the All 4 app comes via the internet, then (assuming you've got an aerial plugged into the set, of course), try watching on Freeview instead.
hello it is me again it is working now i think they forgot to turn a setting on for the app for the celeb hunted because as soon as it ended it did work
I don't wish to be ride roadman, but having tried to make sense of a couple of your posts more especially eleswhere, you need to find the punctuation keys :-)