If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 3c4VCYR9kSkNGhTMxNGJiejaDcrtPBFcC4vFNnw1baSQM787MN1CMaXQst4Jt8jw7rgGSpNWqwpBccV8MLSNycDJZpsozyf2pqjvZok5fEEdec1itJYgGRmP6UxsTmWoPnutPPrVwNHeELSiMbXahJPLpZJH7t54KDr2xfVg9zkPcKJG8bagDX43s2qkcrRpwgsJTsp7VzfA4Qt9Cwis75tr
You can also try to pass an automatic check but with no guarantee.