If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: 4wMBTC1zmEd7LpYkHjjQFAvL33QtiEaSHtkK3Tcv3GDwnaFAgfVCk7defRzrzW4GhsAM7eAvMNnTGGpPSSdsg7XVhBXoDsLp22QDmrkfYuzp2bA7E8Zv9btvB59JcnSrjuFgZcRDfMs39FpJcCD5EnFTrW
You can also try to pass an automatic check but with no guarantee.