If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4wMBTC1zmF99ScB5UbK7CCGTCBBuX4zZGDFLmpbhn1Qbw6jXcqPVgPzkMhx7ywzAaFyfstjr4v1h2tJrfGdbCGFj3oT38nyMYcn3qPjjfcHBytXSg4r4kZ6JmPrpCGd5orG1YQEB5scfJjUDEoBA6U1UYW
You can also try to pass an automatic check but with no guarantee.