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Windows Defender Definition Updates

Last response: in Windows 7
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a b $ Windows 7
March 25, 2010 12:24:14 PM

I know I've read about this before, but I haven't been able to hit upon the right keywords to find the solution...
Basically, Windows Update keeps installing the latest Windows Defender definition updates over and over and over ad infinitum, every time I check for updates (or it checks automatically). I think there's some temp file or registry key I'm supposed to delete/modify to get it to "reset" and recognize that it already has the latest definitions. Best Answer to whoever correctly remembers the process first!

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a c 215 $ Windows 7
March 25, 2010 12:28:35 PM

Download and run the FixWin utility. In the System Tools section, click the Fix button for Repair Windows Defender... it may remove/change the registry key you're thinking of.
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a b $ Windows 7
March 25, 2010 1:00:52 PM

Great program! It's an instant addition to my digital-Swiss-Army-knife "Utilities" folder. So far, so good. After FixWin did its thing, it told me to reboot. When the computer came back up, it downloaded the definition update one more time. (Expected, since Defender had just been reset.) After that, and another reboot, "There are no updates available for your computer"! I'll wait 24hrs just to make sure it's fixed, but preliminary results look good.
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a c 215 $ Windows 7
March 25, 2010 1:09:19 PM

I thought so too! That group also has a couple of other useful programs targeted at specific applications or Windows components like Windows Update and Internet Explorer. They are also worth checking out. They've saved my bacon at work a number of times already when I had users with really obscure problems...
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March 25, 2010 2:32:34 PM

Bolbi said:
I know I've read about this before, but I haven't been able to hit upon the right keywords to find the solution...
Basically, Windows Update keeps installing the latest Windows Defender definition updates over and over and over ad infinitum, every time I check for updates (or it checks automatically). I think there's some temp file or registry key I'm supposed to delete/modify to get it to "reset" and recognize that it already has the latest definitions. Best Answer to whoever correctly remembers the process first!



While you mention Windows Defender, have you tried Microsoft Security Essentials? which basically replaces Defender.
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a b $ Windows 7
March 25, 2010 2:43:41 PM

robjohnston said:
While you mention Windows Defender, have you tried Microsoft Security Essentials? which basically replaces Defender.

Yes, I have. I like it as an AV, but I like Panda Cloud better. Right now I use Win7's built-in firewall, Windows Defender, Panda Cloud Antivirus, and UAC set to its default security level. I know it's not the most secure setup, but it's light on resources and boot times. I'm careful about where I surf and what I download (and use Firefox).
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a b $ Windows 7
March 26, 2010 12:54:39 PM

Best answer selected by Bolbi.
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a b $ Windows 7
March 26, 2010 1:00:11 PM

24hrs + 1 minute later. :)  No more constant updating. Thanks The Prophecy!
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a c 215 $ Windows 7
March 26, 2010 1:15:07 PM

Glad I could help!
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