If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnt2JLU51eyvY5SdKBYmvExTXqdRHF5SZkZF4e5T6dnVqhi5owjNTsRmy2q6PqdCvG9k4YCBFxLLioSZyWPzuUgBQEaG834vRGVat4tsWwAvb3pjwLHGPhXSNJYNEFnhLdY5LSSRo2mZ5MQkAEqKyHCjmmesKu7hyDfJVpCEXF5vRf2XkgWQnzFoeudX8VoukTCh1BDeJNJ
You can also try to pass an automatic check but with no guarantee.