If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: tktUHXDnygiq8vZhogye49LvFxRw6xQDzihEdwzMnwXcmUir4agHWbZVmziBqYvAF9tMT5xQc8vvN9SS7Bb77cie1i5a9CQCRPsRxaFsZNwyeCttKaFc3QkHMbomFKp3QCmqBoVWPqWXTXxRQmDMWPPc
You can also try to pass an automatic check but with no guarantee.