If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYo1vsrbEfEBnXtKTyDo3hb9Fq95EDYWbzQyMdGTyrwK7BzAetBTVZ88hdP7PktEHuFxt6HELnTPnaP3bXwgzevAeawraHcyyWGSKUQjyqxbCX4ZEJ979yMFxF27m53LMihhgqjNxbwn7GEknjb8bWXa5PRCHMEVzsV2Nu6hMSiyYmhmdBKoSMqRazekLVSi4TrXv4N5UFKU
You can also try to pass an automatic check but with no guarantee.