VPN Automatic Turn on

In Settings I have ticked start up VPN when computer starts but it doesn't start. Why not?

Hello David.
By default, AVG Secure VPN does not automatically connect when you are using a trusted private network. To ensure AVG Secure VPN connects automatically every time you use the internet, untick the box next to Exclude Trusted (private) networks.

Open AVG Secure VPN and go to ☰ Menu ▸ Settings.
Select the Network Security tab in the left panel, then tick the box next to Automatically when connected to the Internet.