If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4u6X8pXejkxPMpgCr9r221tXsHToQC5xZP2BRfVPiKrLNYrK9msiEK2Pb6EX84rfiBWc3g7x7KQXaYSoKjyKtkQk4i174vcJ8Q1Kjs2YvRgu7VcVG1y1LG9mCC9junCYXATj8z56g58depCAdB6jS8PpS
You can also try to pass an automatic check but with no guarantee.