If both of these are true, then complete the steps below to resolve the issue:·
1. Go to your modem settings 192.168.0.1
2. Login and choose advanced setup.
3. On the left-hand side select Security and then under 1. Set the Cyber Security state, choose Disable Modem Security and click Apply.
4. Reboot the device you are trying to connect the VPN . The issue will be resolved upon a reboot.