If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 3f6bcf3rU8pDYtcSsotGzVVnwqJ2sSTqX3vhPxVxTgPg7gmqt7zVSdYGa6EpvzDzdAua2Kx5pBWzD1gVkhQstowFXAffYcm23kaCTw8TBC4T6rSePFX5ybwVeTvxc5WLyiTXsx5XJsAyJ4uW6vtwbC
You can also try to pass an automatic check but with no guarantee.