If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUHXDnygiq8vZhpk2NNSYt11KJDnbgxkfyjBT75Tdfrnm7UMH1AZkTCAycbpLt624pzS5k13LLsRSiUW3V8WxTvcgyek4NUCVcqm6A7oK5rhVndGwjzJEixAJ1ewrcHVzExaXUvsS5paUFdDxvEPKU
You can also try to pass an automatic check but with no guarantee.