I have Norton 360 Premium recently (8/18/21) installed on my Windows 10 PC. Every time I've tried to turn on the VPN I get the following error message:
"VPN connection error. Secure VPN has experienced a connection error. Please try again later."
Message: "Connection Error: Secure VPN has experienced a connection failure. Please try again later."
[...]
If your Internet connection is working, uninstall and reinstall the WAN Miniport drivers and reset the network adapter settings on your Windows computer.
[...]
Need more help?
Error: (9012, 13801) "An error is preventing the VPN from connecting. Reference error ID 13801"
Error: (9012, 87) "An error is preventing the VPN from connecting. Reference error ID 87"
Error: (9012, 809) "An error is preventing the VPN from connecting. Reference error ID 809"
Error: (9012, 13819) "An error is preventing the VPN from connecting. Reference error ID 13819"
FIX: Norton Secure VPN stopped working (7 solutions)
[...]
4 Change your DNS settings
6 Reinstall the WAN Miniport drivers
[...]
....helped my "Connection Error"