avast! Free Antivirus 9.0.2018 pick
Windows XP/Vista/7/8 (32-Bit/64-Bit)
avast! Free Antivirus includes the following components:
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Reviewer: -dominosdad Review Date: 2014-03-25
Average Rating (7278 Votes )
Pros: As far as I can tell it is working well on three of my 4 pcs, usually without any noticeable overhead.
Cons: On just one of my 4 PCs (a Win 7 64bit one)there have been considerable problems. Main ones are that it fails to update, saying it can't reach the server, and it seems to slow the system down to a crawl each time a browser window is opened.
Other Thoughts: There seems to be very poor diagnostics - it gives no clue why it can't connect to the update server, or what's happening when it's slowing the system down. Since this isn't a general system load I assume that something is being done, but have no idea what.