Is it ok to run Windows Defender while using avast! anti-virus software?

mstrauss

One of the "rules" I've always understood but never really tested is to be sure that you only have one anti-virus program running at a time. I'm using avast! on my Window 7 PC, and I have started using Windows Defender too. I haven't seen any issues. Should I stop using one of them? What will happen if I continue to use both?

Topic: Security
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TheCount
Vote Up (25)

I agree with Mr. Nerney; it should be fine.  If you run two anit-virus programs simultaneously, you are likely to get conflicts, but since Windows Defender is really anti-spyware, there shouldn't be a problem.  I personally don't use avast! so I can't swear to it 100% though!  

jimlynch
Vote Up (23)

I don't think you will have any problems, given the nature of the two programs. Try it, and if you see issues coming up, discontinue using one of the programs.

Christopher Nerney
Vote Up (21)

Windows Defender for Windows 7 is anti-spyware software, while avast is anti-virus software (though Windows Defender for Windows 8 apparently has anti-virus capabilities).

http://kb.iu.edu/data/auet.html

From what I've read on various tech support sites, there shouldn't be any conflict.

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