If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTaG4YrrAb7LUWjFLwxv8g6uNCoULTw58V2Z4iLuLPD1JvFRZ9fNsmx2NeZBGWBzjCsvChn36ozh6tVHSenMfsycg9SrMLRwiVFgBMapLN6hdzzCq5w3z23yaiRsL83NBp2PqA4gLEDsRw6EP3BzLP76UKPTwh53oSGHsSTYjm2vQnsybJBF3NtgSeiAyNsHoNZUR459Ur
You can also try to pass an automatic check but with no guarantee.