It all comes down to personal preference, like so many things in life. No need to bash one product or the other. I personally prefer avast, run the latest version and am happy with it. I do not use MSE because, because I am very satisfied with how things work with avast plus MSE still have this spynet thing, with no way to opt out of joining this. So, everyone needs to make that decision for themselves, which product makes them happy. Avast, avira and mse all got good ratings in recent polls.
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