If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhPF9fMPWwvjvi6SM2urqn5DUYmfsUE92WjwjZDpByXZ1LaFVQkXNk4fXdk5pMKxw1Y1kTbgv9KLvUswV9pRuudh9iTXPwgkFsv3h4PHmJUBhMAosrmjMsP2xfWhy1YMREBuq3dsJLoUQa46jbCshyFA4jZeLz3ZyXTgkYBqgcdXvUbDtwzNBz7d6ZaDUFU3BZBCkgFLYE
You can also try to pass an automatic check but with no guarantee.