If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUHXDnygiq8vZhqT1SrbQjKwJoayEQ8U2ZXe5X78U7FBi4xv3sU1aNsunHLYsTBJ3UF4L3c1Sk59v75KLajsfwtFJdoCCBtnit74r6BT7X99mXKHhMvk9fhwSo9u6WDef2dWCGDd1NKnjQimWtMsTc
You can also try to pass an automatic check but with no guarantee.