If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhQuGo66oBBGFZ17gs4qwGdLbWfGCBi7seN5mPL6Xs7kWji6X5Y8k1kUVXEbjfjzrVY61T7XobvP2aRHUfQyn91K5n6u2LucwwtF14nDChdiCbjEiL66Hbcnvdqw3EXci6oZtqJtvKU223HEsQAEhb3Gcvtw4fyVTy2XDwJhpb84QTb48RHvZFnerhxqKetA9C1D3A4RFk
You can also try to pass an automatic check but with no guarantee.