If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4coAVg6S9xE4rPDTbTbTy6tQmmcEortvkpxHM7zqK4SecbaYH1ytpFGZahJFSSs74hcmpdcWokruLenkQq2HDz1TNhEXwNbUmsiW9ddxwUUaKvEnSGSwg4jEXXNnHfb4N498EtgeFGsaNXFrNBmtovmEdqbEaHm2tvJKJHe2jF8FwdwR2KcuLcNDU6Yf745TSZYDESRqRxvHLiSRbQG3RHfc
You can also try to pass an automatic check but with no guarantee.