If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUHXDnygiq8vZhpk8jToaYtwzMqFrcCym9ne1oLXcVdzJYFycP8B8BwzwFT7avmAYKo4jmHL3uUVmvd3NobY8jvm3shTFNwsBwT9t9sMBkpMF5wRTCuz8TNYiaBWxdjirEPTVeiMp2SgwnaPgv71BU
You can also try to pass an automatic check but with no guarantee.