What is the best free anti-virus software that will not screw with my computer?

I am in dire need of good free anti-virus software, because my computer is getting owned by viruses right now. Thanks.

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SC-Ghost (author) 6 years ago
Thank you everyone! I actually forgot about this question, but you were all very helpful. If anyone is wondering, I currently use AVG for anti virus and malwarebytes for scanning. Malwarebytes is the best malware scanner/remover I have ever used, I cannot recommend it enough.
ddavel5446 years ago
The best there is...Microsoft Security Essentials from microsoft.com. Best to have all your SP3 and other updates installed as well for it to update itself. Works great in the back ground without bogging down your PC.
 AVG used to be the best but they got arrogant and the free version isn't as good as it was.  I recommend Avast because it gives less false positives. AVG took the last straw for me when it deleted iTunes because it thought it was a virus.  No, it wasn;t infected, it was just plain old vanilla-flavoured itunes.  stupid avg. avast for the win :)
it could of just been a false warning, try restoring the threat and uninstall AVG
http://www.symantec.com/ is to be entered!
Arbitror8 years ago
Norton isn't free whatsoever.
CalmWin is not safe at all
CalmWin is a rouge, it has got ccc.killpr (locates and corrupts windows save areas) and CalmWin (shows false or unreliable information about your computer).
Try a free trial of Norton 360 v4.0 or Avast! or AVG or McAfee trials or Kaspersky 2010 trial or Trend Micro trial, but i reccomend you use Norton 360 v4.0 trial
Arbitror8 years ago
I use AVG Free and ClamWin combined. Hope this helps!
fegundez18 years ago
pc world tested the most popular free versions. Avira won although it is a bit more difficult to read it is the best.Avast personal was second. Between those you should be safe I also like to use a free product called threatfire as well
AVG is the best one i know hope that helped! :)
Laknight1178 years ago
NachoMahma8 years ago
. Avast! (or Avira AntiVir) + ZoneAlarm (firewall) work well for me.
SC-Ghost (author)  NachoMahma8 years ago
Are you saying that you use avast and zone alarm?
. Yep. Avast! for antivirus and ZA for the firewall.
SC-Ghost (author)  NachoMahma8 years ago
Cool. Thanks.
fireguard8 years ago
A good guide can be found on komando.com. This is a lady with a weekly radio show, who gives good advice on computer/Internet use, regarding protecting your computer and children as well. I use AVG in conjunction with Zonealarm firewall, as Windows firewall kinda... well, rhymes with trucks. Go to komando.com, you'll see an image of her on the homepage, and look under internet tips of the day, or free software. Did I mention these two apps are free? I'm cheap, and haven't had any problems in several years. Good luck!
CameronSS8 years ago
I've been using Avira for a while now, it works fine.
Capt. Howdy8 years ago
Avast home edition is awesome 5yrs and no problems whatsoever
AVG or Avast! are good choices. Consider that it may not be a virus problem. You should also be aiming to get rid of any spyware as well as cleaning your internet cache and temporary files. There are a lot of other things that you can work on to improve your system's health as well... too many to list here.