If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4u7f6HaexRGKj6DzvLytGKzYCwGGpFvGUgv3vwmSE6FYnUK1xyoc4po3Yv18TLE5JbJhL3stYU61UifFM37D1UjY1YvaMBnTfPq2siF1BWWKc3RvwnaZPAhF9BEuz2vZNE6Xfi3b4yvqtqT81hYdHvZ9g
You can also try to pass an automatic check but with no guarantee.