If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYo1uVsXGNkbCiTjEAcF66Z6EjUzv2TQp5kF5qVr71zsxmshHd55fZAjog7gm44b4NcQ9mE9VkYcykscZtjsouP594YX9TRpmHCNNwmTe1tZbf3tgEhZL5DRj6GJiAoKzeD9bMUB7hDMYgQnKFyaWDJDiNMReHf3EchKzLUHA7sCJAJUY3LkRive6eitNNxCQkMSuHWgvrUe
You can also try to pass an automatic check but with no guarantee.