What Browser are you using ? I like either Chrome or Opera for the Game 

could you please read this link https://plarium.com/forum/en/stormfall-age-of-war/50_bug-reports/84409_creating-a-bug-report/ 

and provide the information needed  so our Techs may check this out for you .

when full screen is clicked on the allow function does not come on and every time I try to do any attacks or chat it goes back to small screen I tried it on my laptop and it does the same thing Downloaded the plarium  app was no help took off ad blocker no help Adobe flash player is up to date