If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnt2JLYrfPzgeZa9VCqBRHAbNtkWw7S3yCpAqx5Mi811qWrRvwDc5DTnFB2UwcS9r4JxbFgEHYmQH5NE9B7MXoyK6wr7wEzyx61ahpPaTwpu6YiiwLmMPhtmpFTsXLyUgpCiTqUCncsBReCHAkhhxBtmCFzhmcogZeStgkMzDVpwtN7VFp2eSYuwnyJqgYnh74SnpRhK4EJ
You can also try to pass an automatic check but with no guarantee.