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How to stop Windows Defender Definitions Update after installing Norton 360

I have  Surface Pro 4 with Win 10.  I initially started out using Windows Defender but decided to switch to Norton 360.  The issue that I was experiencing is that Windows Defender continues to try to install definitions. The following link will describe the solution to this problem... http://answers.microsoft.com/en-us/windows/forum/windows_10-update/how-to-stop-windows-defender-definitions-update/bf355a0a-66d6-403e-a7d0-ae334f44cb45

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Re: How to stop Windows Defender Definitions Update after installing Norton 360

Many users have reported this issue. What many have found that helped was to uninstall Norton, then restart your computer. Go to the Update and Security Settings. Click on Windows Defender tab on the left. Then manually turn off all features for Windows Defender. Restart your computer again and reinstall your Norton product.

I have done this on my Win 10 system and have not been bothered by the Windows Defender Definitions failing since.

Things happen. Export/Backup your Norton Password Manager data.
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Re: How to stop Windows Defender Definitions Update after installing Norton 360

Yes Peter.  Defender was still active after I install 360 on my Surface 4 Pro.  I had to uninstall 360.  Manually deactivate Defender and reinstall 360.   However, I was still getting Defender Virus Updates downloading and failing to update.  The above solution fixed that for me. Windows should allow a complete uninstall of Defender for those who wish to use a 3rd party vendor like Norton who I have used for years and trust.

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Re: How to stop Windows Defender Definitions Update after installing Norton 360

Until Windows 10, Defender and Windows Firewall were disabled by Norton and other AV products. There seems to be some change in the Win10 code that somehow makes this disabling inconsistent. Most times it does work, some times it does not.

Things happen. Export/Backup your Norton Password Manager data.
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Re: How to stop Windows Defender Definitions Update after installing Norton 360

Well. It appears the issue reappears and I have to re-run the hide updates tool every day.   Then the new firmware update broke Norton.  It had a red X on the toolbar icon.  When I open Norton to the issue the Fix Now button shows so quickly you can't even click it.  I ran the Norton Removal tool to fix it and Reinstalled Norton with no luck.

I uninstalled Norton and went back to Defender for now.  MS should not have done this. locking people into using their Virus and Internet Security product.  I will wait for the lawsuits force them to change this policy like they had to when forced and bundled Internet Explorer in the past. 

I hope their low rated Defender keeps me protected!!!   

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Re: How to stop Windows Defender Definitions Update after installing Norton 360

 You could go in and delete the task done by WD. open Task Scheduler > Task Library > Microsoft > WD ; At the top center click on each of the four task one at a time, and click delete on the right side.

 WRITE DOWN ALL info from each tab for each of the 4 Before deleting and keep someplace so you can reinstall if needed/desired later. Triggers should be empty the rest needs noted.  

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Re: How to stop Windows Defender Definitions Update after installing Norton 360

I don't have Win 10 { thank God ! }, but is it possible to disable Windows Defender via Services ?

Windows 10 Home X 64
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Re: How to stop Windows Defender Definitions Update after installing Norton 360

 I do see it in services so you could change to stop running, BUT after restarts or updates it may come back on. If you go thru the Task Scheduler >  Task Scheduler Library > Microsoft > Windows > scroll down to Windows Defender left click > go to the center top click each task one at a time and disable from the list on the right ; I don't think they will turn back on by themselves. Worse case you could delete each task BUT WRITE DOWN ALL DETAILS UNDER EACH TAB FOR EACH OF THE 4 TASK so you can rebuild them IF you ever need / want to.

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Re: How to stop Windows Defender Definitions Update after installing Norton 360

Thanks, Dave3871. I guess if the service is stopped and then disabled, that it shouldn't start up again.

Windows 10 Home X 64
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Re: How to stop Windows Defender Definitions Update after installing Norton 360

Norton 360 doesn't work the Microsoft Surface 4 Pro.  I had so many issues trying to fix this, so I uninstalled Norton 360 and installed Bitdefender.  No issues with Bitdefender.  Norton has lost a long time customer!!

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Re: How to stop Windows Defender Definitions Update after installing Norton 360

Hello Johnnie008

You should have updated to Norton Security which is a new program and is made to run with it. My son has Norton Security with Backup which is Norton Security Premium and has the Surface 3 Pro and Windows 10 Pro. He has no issues with it at all since it is made for tablets whereas N360 isn't made for tablets. N360 is for computers and laptops. Even though it might say the same version, it's not really made the same way. If you have a trial version of BitDefender, I hope you will try Norton Security Deluxe or Premium and see if that works with your Surface 4 Pro. You could try a trial version of it. It will keep your Surface 4 Pro safer than Bit Defender will since you are such a long time Norton user.

If you do decide to try it, please use the removal tool that is for Bit Defender. I know another Guru who tried Bit Defender and he said their support is terrible.  Your choice I know.

Thanks.

Success always occurs in private and failure in full view. Windows 10 Pro 64 bit Norton Core Security Plus 22.18.0.213 Core Firmware 282 I E 11 Chrome latest version.

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