1. Update the VPN Application:

   Visit the official VPN website and download the latest version of your VPN application.

2. Adjust VPN Settings:

   • Open your VPN browser (e.g., Tor, OpenVPN).
   • Go to your VPN settings and change the default VPN server to an external one, not blocked by your firewall.

3. Use a Public IP Address:

   • Search for a public IP address within your area.
   • Enter the IP address and attempt to connect.

4. Check Your Firewall:

   Turn off your firewall settings and try connecting to the router using a public Wi-Fi account.

5. Switch Browsers:

   If the connection works, switch browsers to a different one to see if the issue persists.

6. Contact Support:

   If all else fails, visit the VPN provider's website for troubleshooting tips or contact customer support for assistance.

By systematically trying these solutions, you should be able to resolve the VPN connection issue.