I am pleased Avast is better than Norton anti virsus software because when i bought the software for Norton it didn't do the job properly and i have a complaint by mail post that my computer was fifthy full of trojan horses and other such like nasty virsus, i will not buy Norton again also it slowers your computer down into a kerb crawling motion, it took me ages about 1 hour to load a page fron the search engines, i do not recommend Norton.