If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnt2JTPB6V4r6abk8E3Ppt4XGvEwyHNByg7AFFWR7Lj9s75NGXkRAztpqGmM7XnisAGeXDxMMumgAKeCovFvg22BxfZpm6KaWia5N9w6aF3us39oSuAFei1TmYo5EcM5QisXhFPNoKA3fR6xfLo9Vqi7W4tmgRhKougiP6wTxZkD4RYwuStMvx6ZctxFb1qug4HMDpazeeJ
You can also try to pass an automatic check but with no guarantee.