If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4u7vjdoxqPWvXgbRP3UEsTcXCMnj6waVtbbUEAbVpagTbrnf1dT9XaFLTfD4gcpV33ueCRehEDrHXkrwGQjWbWeLUFYGWichSpdyWUMiwqVfs3H4ZpPwRJJhTTnJ4eUTt5vJ261JqL1qGeUtpRqVgyqxS
You can also try to pass an automatic check but with no guarantee.