If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnhQtKa5ZqycNQiZva4RuSkoqyj5j7hmkXxSTBWVB2ZmUc8rkHBKcZwApEEhxxrwVvVZ1T7wgBig1iEQgwvAPpGKuddnWk5NT1dxnaM3EYJwBzXqrMeB6r5jURqr98QQigqQGRx468V8FQWf26Vt7evP7uja2MWnfSC7BLYuYsDzWPUFVsJoxRVxuir98xNDwbdqXiJ6HDG
You can also try to pass an automatic check but with no guarantee.