Windows Defender Update Error 0x80240016


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RainOnaPond
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I am Not Telling from Castle in the sky
Member for 6 years 50 weeks
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I've been getting the following 0x80240016 error on Windows Defender for about some time now.

I've read about other people having the same problem but no solution yet. 

Error 0x80240016 in MS Defender

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Pembo210
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I am a Grown Up Geek from FL
Member for 5 years 2 days
GuG-Points: 193
Re: Windows Defender Update Error 0x80240016

I could be several things, and even varies depending on your OS version.

The actual internal error stands for
"WU_E_INSTALL_NOT_ALLOWED
Operation tried to install while another installation was in progress or the system was pending a mandatory restart."

Which means that it could have tried to install while other updates or programs were waiting for their turn. Other Windows Updates could have been running and blocked Defender from connecting properly.

Other things that can block Updates are IE plugins, like Myspace messenger or Skype. Also programs that monitor internet activity, like PC Tools Guard, Norton, or even the built in Windows monitor can stop updates. Thats the the annoying "something is trying to use the internet... do you want to unblock or keep blocking?" option.

If it still doesn't work, you can go directly to the site, download the updates and do them manually, or try a fresh install of Defender.
http://www.microsoft.com/security/portal/Definitions/ADL.aspx


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Anonymous Visitor
Re: Windows Defender Update Error 0x80240016

I am having this problem from my Windows Defender, so, I can't updates my computer. Can you tell me if is a big problem, or just forget it.

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Hubby
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I am a Grown Up Geek
Re: Windows Defender Update Error 0x80240016

You might just want to dump Windows Defender and replace it with Microsoft Security Essentials.

LBL
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Member for 6 years 33 weeks
GuG-Points: 1149
Re: Windows Defender Update Error 0x80240016

Hi, RainOnaPond. I read through this website, and found other users that solved the problem you have... 

http://forums.technet.microsoft.com/en-US/Forefrontclientsetup/thread/e821635b-bea2-4c8c-91f0-238aa79b600b/

 

Hot2na
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Member for 7 years 38 weeks
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Re: Windows Defender Update Error 0x80240016

i visited the dowload page for defender in hopes of finding a patch. did you dl the final release?

Tuna ><((((*> the other white meat! I am Keeper Of The Whip!

RainOnaPond
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I am Not Telling from Castle in the sky
Member for 6 years 50 weeks
GuG-Points: 175
Re: Windows Defender Update Error 0x80240016
Hot2na wrote:

i visited the dowload page for defender in hopes of finding a patch. did you dl the final release?

Yes, I'm running the most current.

 Thanks LadyBunnyLover, going to check out that link now.

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