Facing TV Problems? Ask a TV Technician.
This can happen if your internet connection is slow or the servers are busy.
If it is happening continuously, then you can try resetting the TV -
In order to do this, go to the Vizio menu (key on remote), select System / Reset & Admin / Reset to Factory Defaults. If the TV requires you to enter a code it will be 0000.
Let me know if that works?