Ask anyone who has launched a startup before, and they will tell you it is the most violent emotional roller-coaster they have ever ridden. At times you will feel like you are on top of the world, and the next day feel completely doomed. It is probably the most terrifying thing I have ever done. If its so rough, why do it? I think the answer is passion.
I am going to tell you the single most effective thing you can do to keep your home computer free of viruses and other malware. Its very simple; something you only have to do once and never think of it again. Most likely you are already doing it.
So without any more suspense, the single most effective thing you can do to keep malware off of your computer is…use a router.