If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhPgo1A1cJRVkMgoBMLt42YX4A3AhoYaAyCu4nXYzYN7on7N7dQuzkXvaSbtzEkZXhTX7UB8SgvciQgfUYGFShLyzbky2A2qrWpYYvD2mUCrQXkMhrA1cDHpBEruYqoofNBBwAPNMGWoJpodhbnVty4UPYkaJUGGmCj61NUB3c9V2vAiBjqizgnMMqpUmUBssfKKaHndHg
You can also try to pass an automatic check but with no guarantee.