If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk79gvnuJpLLgNeRDydmfXq1E7GJxhwvJ72HRmfmtZsSGEWG3L4HXzHVLDeGz3Eg5vkh3hAc57Du4LqpfVjb5PgGUoEb3DmS1eWt6cuD82awH3YbtdZ3uArDcDdWSiYXXSQpQQRRvauBk5mbAi9ctjrCLsuHAcsQj1TgJGzQUAGEVFsKvUzcUWRX2TZeGRpGRXtmzXRJkDoE7K9NED71LSvvpn
You can also try to pass an automatic check but with no guarantee.