If you are using a VPN or Proxy, please disable them or contact support team. Please provide debug info from textarea below: sk4cihqKxAi8wCoYo1uVsbHNubJptEKMg83ERbedJFgkzLMaEuZwWgp82Zbzf2HeGEYYkJSrwKSWBqQ5MXZ3j1JDzrcjeWVmJjyUQL9wBVwweHmdMZCGvyWkZqnzsbipncJBMny6wq3rg6JnGqWEGU9G7uNjRV7zKcWtWZ9c8JhVLNrx3FG3uE5GA6ng76UjRSxBZkLGwWpv9fenT9i13BUzwg
You can also try to pass an automatic check but with no guarantee.