Hi 835806403,
A warm welcome and thanks for posting on our community forums. We certainly understand the frustration caused when you're registering the same device but TVGO does seems to think its a new device.
We appreciate you clearing the cookies and caches, this would be the first thing we would ask you to do in the circumstances, however this has not resolved the issue in your case. We would be happy to reset all your devices from our end to see if this does resolve your issue if your happy for us to do this?
Let me know if you'd like to give this a go.
Kind regards Jodi.