License validation

[marcorv]

I bought Poweramp for Movile and it 's a great app, the best for me.
Some days ago I bought an Android 10 based car stereo and of course my first thought was to install Poweramp. I did it, and also installed the registration app. In the beginning everything was fine, but suddenly one day I got a message like this: "GOOGLE PLAY RESPONSE ERROR CONTACTING SERVER" and I cannot use the app again, even if I re-run app registration. 
Poweramp does need to be connected to Internet? how often?
Poweramp said in "About" screen:
Tienda: Play
La licencia se almacena permanentemente en el dispositivo. No se necesitan comprobaciones en linea.
"The license is permanently stored in the device. No online checks are needed" (roughly, because my app is in spanish and this is my translation).
So, why is it trying to contact a server?
Latest version from Play Store is installed.
best regards

[andrewilley]

It sound like your device is not retaining the registered status correctly. After this error message occurs, what does the 'About' status say then, still the same Stored status? Does it have permanent internet access, or only while you are installing it at home?

Andre