If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYnt2JLXzzXxRxCDhejSf3CGXcX5Ujf4ggJ93ywT7fw6eJe2Vu4msWVKMrTpNmyqw2vpFqeU4dmqm8xvrSESg5vnjFFyGgbWvcqfeE6rtPWDvyr5RBFSLw4q4VWJu7A3SpKdtB3bo5Y68F27i8tWKiv3EhuYxM9MVKugcLYqEDyoeGxX3XVeKM6rCtsx6j8D1KNoqJaf8VMp
You can also try to pass an automatic check but with no guarantee.