If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUjCXXT2Qf3Wzzu16EaJ5j6UCX3tcpbFGzckGwA4NiiJ9aGQKfPJiU13MW694711vDUAZP38oUhGiUKCx8siM7KtrMqf4JTo2Yp6riQyv5tGHrGCQrEVgWwHhBZEKm3jASD3fMv57dfAeoK6W8WTP4
You can also try to pass an automatic check but with no guarantee.