If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 5u4FSZRnZMaP4U8LiDpYbUnVYMceLHJ9r3LoJYNvNZCu48poGKGuci5J76t6zu9XvRn3GfbzYgqEVk1PtXkhbXkJyyvDX4SxJF6nNCra
You can also try to pass an automatic check but with no guarantee.