If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 21W4wN2WEFsa6uQrZ1DAusTYwpgFtou9kRdBHMQkkGsgM9RgPbzuTkfZ6V5aHA5JXgUtQP3rdz8HgHdrKbHPYLA3hzn5VjpAsBPksXwvt9b1kts8
You can also try to pass an automatic check but with no guarantee.