Why would anyone want to copy the files on another computer? It doesn't make sense.
Here is a fantastic firewall:
NetVeda - Firewall, Bandwidth Management, Parental Controls, and Network Monitoring
Go here:
https://www.grc.com/x/ne.dll?bh0bkyd2
I got perfect score with netveda. I am running it right now, it is the best firewall I have ever used.