If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYo1vt8LR6mFb5udF3Tmj4uJ9yREsxyjsry3CF3TpLfUsvyUeRFBdyHSYRma6trwEeExudyVhe3aX98h9LWYToJDDXbGCMdefBf7rCnRADxyFKKqtma7nmFmmtMaoxyPVz5LhYWSt7mMNDCsMJsCwrmtZi6RcEHa6DYV6xEJao3XDE9Qvhr9c1UojVd9HTeMdUGrMXnzKyEn
You can also try to pass an automatic check but with no guarantee.