Getting back to the original thread. try www.avast.com and download their home software, its free, automatically updates and has sped all our machines up significantly.

Freeship is a powerful boat design tool and will do far more than just draw and render. Give it a go. Look up the boat design forum, both the multihull and the software threads and you will gleam alot of information that is pretty factual and not tainted by our loyalty to one or another F boat.