If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTbTYdXcKYxH7MnvoXgAcbqKTi4tWidnemud2sjFpYcTb4eqbFjzk5wv7FqAGTsck5erHPJiZuUhjF4RNWe3sWTkzPC5jYRNzMdY2kGpqjoKygmjS4mZNB5utaqoK9R6LjaCdVDHuMjmhDNCMjKDfDMtZQsV6CyJJkiQufNTaLkWwivPLXnt9imuHMZimuAGXwuV9EUMhQ
You can also try to pass an automatic check but with no guarantee.