If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnsytd8iPLUFiYtkwD1tcUtSQNLf7SjaTPBeLucbsYR45FXTDFJkpgbp3LjVjPeAyR2FjhUo1inkrQ164hnt7enrVtL4fD1iLWXTq2Ckdst7sZtRkfpFBtCyBw9GsdX2fL34vXFTiWncEaBcvtGVT1rb6pj5s7QUE8DDyt7pTUUy8QgcS7Q7vsKRwwLf3ZH8RHTLd8DWNXQ
You can also try to pass an automatic check but with no guarantee.