If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUHXDnygiq8vZhpxKTnhwn3sP4qnrUn7Pi9Ybt1CTgtY372VkinDFRxACQayR5n7E4zYAXouktGXQKRBYVkgx7QEP9JrsaUtrN4uWv5KoEejHUJLEUBv999QtRNDVZRE95aiDAsRFTpaXJjR9r3xJA
You can also try to pass an automatic check but with no guarantee.