If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 3c54aKHuRWxGYC27p5DB4eFuLzPVqSeyDm5WYBjn1uPcPPhuURUUKUMKAvHnfiF6XEWnxU9TTYgvFEG6rLpVm4uKM9RoPTQpscdrTKLedtrsQCFRDwvdURrokLiSeLsL9zibo51PgCZaKv9sRNCiBYvX1qtVWFkYNWPZNWdu4bYT4pL53ivTQhA96UqFU9gCwZX7N1S4W1LFwwoPNMoBotSS
You can also try to pass an automatic check but with no guarantee.