If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4wMBTC1zmEd7LpYkCZuHzn7yJh3K36LKhWwcgXrCVPycCDSb6GcJ2kYU6FyN9ydi13VEnhtwJZ2T7v2JVzeDNYti9maYqyZM2cxXWrw9TwJPSijnZvU1UXD4ei4FZqWYmx74UqNTs6V9Zvb3KJcuU9bVNW
You can also try to pass an automatic check but with no guarantee.