I can't seem to install Action! to another drive. Why is that so?

Everytime I open up Action!, there's an error popped up and said that I need to reinstall. I already done that and it still give me that error.

Make sure that your hosts file is not redirecting Mirillis website and its server is not redirected to your local host. Also make sure that your firewall is not blocking Mirillis.com domain and its sever. This happens often when users are downloading and activating versions that comes from not a le...

how to check my firewall?

When I go to the mirilis website, it says Webpage is not available. Can anyone know how to fix this?