Before everything make sure that you put right Login/User Name in GamerHash App.
It has to be exactly the same as the one which you chose when you registered to our service at the very beginning before downloading the app for the first time.
App after downloading will automatically have set the same data of user, where app was downloaded from. So make sure that was not changed.
If you are sure that you have correct login and you are sure that app is working on your computer then please contact us.