If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhQtqMThmi8u4CPyJbBR91AgMjmsHMhscH2yAhsAXFNc5FVvpZAiG7HNQxqsxucKSEqLPRixmaMwhVokKZWJwjbCC2hELC7je5Z5c2VU37BpmXsqAFWxvBAD957gCjg3s3QM1CEXQxDDXsR983wd671p2KbGDiNaYZer17CQRX6fe1KSdQY6sryPtkQqYZJd8K7gh3tTVg
You can also try to pass an automatic check but with no guarantee.