If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhQtTWvtofw8V7iMdkDevkHsztE8u3bnBiWS5jgXACGfdZwZkEVUqki2WDWrVUvhUMZy8EPyj6sNuwAttH2v1kb6ZuGzTwVqboJrpfpeTYuXhaPfUeY2PaoS4yUZoMCMgdLy2bcKQPWJ4FkL95NnPTyfkpkSk5uxUMnyjZsGEhvbYRPbbE3WrFPEVueVPh9GmgdDuoyUYE
You can also try to pass an automatic check but with no guarantee.