If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4wMBTC1zmEd7LpYkCZknmdVygJBUoX9aWVwLy8c5CTPdCJ2EPGS3KYGadM8AKLYcC44nwJ6P72HgEzEGXisSbYqjPRfnofNfZ2p8mrLRAPaXTCnNNizYSpaWZTMm1y5AjoVQk9FpqeCHxDZqFsv81Yazf8
You can also try to pass an automatic check but with no guarantee.