If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4uKzZznNFraiHMBKBxv2qBmNgLMqCsCvrF9MAH5jy9m8MjCR4b1xi6uBdq5KyARshy5wUKf1T4BCtQLfbYuQRLS5SE4TRXv1V3n33tcxCTxbCurY2TBM8biqvCdZMiSKPnFVpYMkWTuiEc85n5VaP6yBL
You can also try to pass an automatic check but with no guarantee.