If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhPEqjWXyB711emsNhi3c1CcdPqXggceW1rZVfuG37EQz1XcHRfi5DRXEfJUR6crxmgnCWBCYKXRPHvqoyRYfJrDY6ZDzW2X16vHy47Jxn7YJZiz3RP1ywBLBKXGoNQxerc8BjJVoUYVpzfnjGwBsEEiUpzf8dzuFLeVYS1aXpzFZiduQHncAxx48AvNwfkuKXZT1SmBp2
You can also try to pass an automatic check but with no guarantee.