If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4u6RYcvSs5mrVsajCscb35M25R15Ur4w9HKWtuP7nvi2VYBg74A8GEt8tAkV7oHv8vAiPsxWDcnmyFXKb2DauXMHbYkKeduPtqVrSK9zbbXqNAzVov2SdW9QeT48dE1rtTUAVdkPzzzUFVobe4xuBsprS
You can also try to pass an automatic check but with no guarantee.