If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4wMBTC1zmEd7LpYkHnDSv862w1sBtiF2ifUyjtZ5RsA2P1Y2WMnwsWgYPQiqpL3rL3oUWR52vcmqeP3gJ7W2rsgDptzL1rVTsrYu7aC3e4EsViQPr7uiZgD2H9tBftDA3FetkG4DeKCZPsqcjG1fX48Ujg
You can also try to pass an automatic check but with no guarantee.