If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 3f6bcf3rU8pDYtcSsrPgDi9CrHQWTwTghFoS91noX5nLhmjwdD8ZdW2gCZtnmo3K5x86HK2FhdaWBoC4pvbNzfaYV3Pbvk2FcRDxG7wmMjiP1qg2cwDygKyb6hQNmUkzxHD1j7Ye7AHsGDZKS4iTtJ
You can also try to pass an automatic check but with no guarantee.