I am connected to the internet but keep getting thrown off

[Tand2611]

The computer is connected to the internet. We are able to use google and online games. After about 1 hour all online apps stop and those coone tions lose connectivity but still connected to the router. other devices are working fine.

 

[Ralston18]

What make and model router?

How do you restore connectivity in order to play online apps?

Who manages the router?