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What, exactly, is Windows Defender in Vista? It is such a resource hog and seems to begin randomly and take forever to finish its scan. Do I really need it? I run some good antivirus software (Avast Pro.) If not, how do I disable it? Thanks in advance!

asked Jun 04 '11 at 18:21

Teech64's gravatar image


Hi - Windows Defender is a built-in Spyware scanner. It was introduced with Windows Vista and continued on with Windows 7 however, you really don't need it being that Microsoft shipped a FREE Anti-Virus agent which you can install.

Here's the FREE Anti-Virus software:


And, then when you want to disable Windows Vista - Here's the article you can read for the step-by-step:



answered Jun 05 '11 at 13:29

ShockerSH's gravatar image


Okay, thanks for the info. That was very helpful! By the way, Avast! is also free and I find it is really non-intrusive as far as resources go. So I think I will stick with it rather than use the Microsoft one. Cheers!

(Jun 05 '11 at 17:47) Teech64 Teech64's gravatar image
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Asked: Jun 04 '11 at 18:21

Seen: 1,338 times

Last updated: Jun 11 '11 at 02:35

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