If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4u7f6MFsCefgmUxVFHisy54uQeDCjVbCMRswAQjk5ruYmh6bWCPkGZY3B3FkvWnv48saXep8gG2ucRAyQFe1x2sQjJbqdPzj7NJq4fP8AijXo2GBrAqUoT57YYBJPaMYJDEBBXA1ZM8RKwbMySR3tWuKc
You can also try to pass an automatic check but with no guarantee.