If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhPFf1f7cr29wCszEooid6zofbDP1qyfFWGcJJ3GuSQnGx5B9f31oRXz77RVrNyoAGJcDRcqvHVMzFnE2uTiLLhZuQyueHzK49smhmEUmNZ3DRzhGSkCPvMD9jeUuFC7nRV8JbfXXDnDT7rbTDdWZr7sQ6cHMhekT4VPMsVVhEoL1vXeGben2fxzeZ1gymnC52n8Hgihhx
You can also try to pass an automatic check but with no guarantee.