If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: buk4Jv5KTbmkv8Wz5bswMYNQTnjLCgWmKmeL24AiZL647Vaq92eZc5qqxCHvi4G1qjWpXK6REWsqiWqZtEDoUUEmPyB4Wmiff5TXsgxpGogMnCQmARLx81YhF7rT7DfpkowmY2opTVKpyNGriDrW
You can also try to pass an automatic check but with no guarantee.