If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCjuVvfeo6ceRHaR2qjpLvT2pzQL8UaQd9RhdgFkfTkoQy3VN5bPKXxm7YBTJBySWehDE2LUTdYz1W6dX9bRrCXhZSkPfARKMHAvVUChNHNLPz6vtBp1xHp7sMqHMVRUBnUhyN9tgobNdfhZy8KFdSY9YDstnaiMHybXfX1U9Nwxs8z2njSpHgMsxZQTjC2qaPSneNYX45Evnr
You can also try to pass an automatic check but with no guarantee.