If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: buk4Jv5KTbmkv8Wuz4mE5vuY3VaQQWZVXtzWHY6F8yhqqzmZoDHWz9Xz3HADCpyivmmWVkhiZrJJMiVSDPvG76RoKingofiY51QvEeU2BnwwiAx76zfxA4ooVgtauQqazsy9woC5UU9NuAkvUYzJ
You can also try to pass an automatic check but with no guarantee.