If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhQtZXmDdo7mYS27zu1wxD5Fy2NAwmBzwva6AJVbDbAXgBjSiLZQ25bVmWAswwzcfgqGfhT9VXho92Acit5EqtuebES3cKfVQiGoohXCw7S5oAjuEFxdcoK5T1mANhCoNFx9LAyuJx8t12gXmUJUyKZGbzAxXZdKuCf2jYmMovueNDhzQKJxEFiEKDa96YZ24A2xiiT3An
You can also try to pass an automatic check but with no guarantee.