If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhQtmVr7QDsPP4wBFZUm98cs2o2igPuyFHGPAhQVzSVPg7L25gxnFJqxgxF738RJPRw4KWcUDUXgMAkktFECceV4dXHpdhWg3t1AFHdg6wBXiHnULo5xpHpPh4H3rZwfgQCreBXAJoyghspWMdr17ZMUH61HHAYqhnNAeBFFcWzU5ZRbAcSv1pQEGGB3XyGRaAd1BBmn9U
You can also try to pass an automatic check but with no guarantee.