Life:
That's funny.
I hope your dad is not using MSE and norton at the same time. I hate norton as well.
I also use Avast and i only recommend avast when people ask me.
Yes.. yes he is. I don't see any real problem with it. He used AVAST before and said he got viruses all the time. Either he didn't keep it updated, or I remember that AVAST used to be very faulty at times. But they've cleaned up and are a really great AV..