Avast is very comprehensive - at least the paid version is. I have been using it for 7/8 years as it is able to also locate viruses in Linux. Every so often it issues a statement of how many viruses it has protected my PC from and it is very impressive.
HOWEVER, I am considering changing as it seems they are undergoing the same changes as any emerging big company from a normal company. They are getting invasive which reminds me of Norton.
I am now being blitzed by them advising me about registry changes and/or speed up my computer and/or ... as well as the cloud thing.
I have gradually started to build up a resistance to all the registrations of programs I use with Avast deciding who can send/receive. That is part of the service you say. They work with 3 options and it is the "automatic" one that really bothers me. They have approved applications I can't find in my computer. What are they reading and where is this stuff coming from. I don't want any program sending or receiving unless "I" know about it. Know what I mean.?
The other thing that is bothering me with Avast now is they have joined the gravy train by teaming up with Google. Hello - why? To me that says they have started to really chase the dollar. I don't need Avast trying to download Google Chrome or any other Search Engine for that matter.
So I endorse Avast on one hand and knock them on the other.
I actually came to the forum today to find out if anyone has used "Eset" - Paid Version.