If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYo1y5tAhJu4e4hFHCR7NxPMcwMgcng2zEBEek6TZhP5wUgHN158s8YP6azxMtVCer8aJfJAmUGXLiMJhFjus9pAVqC2r2SGCAfWFL1sUoPJApQichFX46BFSHr2hHKEA3C2MXVRowY8AYhMzH6pKR8d8c7j5G2p9MBFJWaoThsAwLrT3nKuynB11KYARUJpdXLjcVch3rkn
You can also try to pass an automatic check but with no guarantee.