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How to turn on Windows Defender after uninstalling Norton

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  1. #1



    Junior Member

    Join Date : Mar 2013
    Posts : 2
    Windows 8

    How to turn on Windows Defender after uninstalling Norton


    I just uninstalled the trial version of Norton and I am unable to turn on Windows Defender. I have seen this problem repeatedly in the forum, but I'm still not sure how to get it corrected.
    Please note that I am very Windows 8 illiterate, so no explanation can be too basic .
    Thank you in advance!


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  2. #2
    cottonball's Avatar

    Member

    Join Date : Jan 2013
    Posts : 25
    Windows 8 Home Premium 64-bit
    USA


    drealeade,

    Got to ask you a few questions...

    How did you uninstall the trial version of Norton?
    Was it from Control Panel > Programs and Features?

    Did you use the Norton Removal Tool to make sure all of it is gone:
    https://support.norton.com/sp/en/us/...rProfile_en_us

    Is there any other antivirus program installed on the computer that may conflict with Windows Defender?
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  3. #3



    Junior Member

    Join Date : Mar 2013
    Posts : 2
    Windows 8


    I didn't use the Removal tool the first time.
    I downloaded and used the removal tool and then went to action center in the control panel and was able to turn it on.
    Thanks so much for your help!
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  4. #4
    cottonball's Avatar

    Member

    Join Date : Jan 2013
    Posts : 25
    Windows 8 Home Premium 64-bit
    USA


    Glad you got the issue solved.

    Have a great day.
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  5. #5


    trm

    Junior Member

    Join Date : Mar 2013
    Posts : 4
    Windows 8 64 bit

    I ran the Norton Uninstall 5 or 6 times


    Quote Originally Posted by cottonball View Post
    drealeade,

    Got to ask you a few questions...

    How did you uninstall the trial version of Norton?
    Was it from Control Panel > Programs and Features?

    Did you use the Norton Removal Tool to make sure all of it is gone:
    https://support.norton.com/sp/en/us/...rProfile_en_us

    Is there any other antivirus program installed on the computer that may conflict with Windows Defender?
    I ran the Norton Uninstall 5 or 6 times and still can not activate windows defender.

    I have no other antivirus installed.

    For each time I try to activate Windows Defender, I receive the following (reward?). please see attachment



    help
    Attached Thumbnails Attached Thumbnails Click image for larger version  
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  6. #6
    cottonball's Avatar

    Member

    Join Date : Jan 2013
    Posts : 25
    Windows 8 Home Premium 64-bit
    USA


    trm,

    Let's do the following...

    …please download Security Check:
    http://screen317.spywareinfoforum.org/SecurityCheck.exe
    Save it to the Desktop.

    Double-click SecurityCheck.exe and follow the on-screen instructions (on the black screen)

    When done, a Notepad document opens automatically: checkup.txt
    Please post the contents of checkup.txt in your reply.


    ~~~~
    Next, try to to re-enable Windows Defender as follows:

    Open Windows Defender.
    Select the Settings tab.
    Check: Turn on real-time protection (recommended)
    Click: Save changes
    Click the Update tab > Update button

    When done updating, go to the Home tab and select: Quick Scan

    Is Windows Defender staying on now?


    ~~~~
    If not, also, do the following:

    Please download Farbar Service Scanner
    Save to the Desktop
    • Make sure the following options are checked:
      • Internet Services
      • Windows Firewall
      • System Restore
      • Security Center
      • Windows Update
      • Windows Defender

    • Press: Scan
    • FSS creates a log, FSS.txt, on the Desktop.


    Please provide the FSS.txt in your reply.
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  7. #7
    davehc's Avatar

    Senior Member

    Array
    Join Date : Jul 2009
    Denmark (But English)
    Posts : 1,153
    Windows 8.1
    Denmark european union


    open "Services.msc" and make sure the Windows defender (scroll down and find it) is enabled on automatic. If it is not, correct it and reboot. See if you can now restart the defender.
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  8. #8



    New Member

    Join Date : May 2013
    Posts : 1
    windows 8


    Hi there,

    Sorry that I'm new here. Googled and stumbled here and I'm having the same problem. please help me! my wiondows defender can't turn on. I did check the service.msc all fine, set in automatic. and for Cottonball, this is my FSS.txt :



    Code:
    Firewall Disabled Policy: 
    ==================
    
    
    
    
    System Restore:
    ============
    
    
    System Restore Disabled Policy: 
    ========================
    
    
    
    
    Action Center:
    ============
    
    
    Windows Update:
    ============
    
    
    Windows Autoupdate Disabled Policy: 
    ============================
    
    
    
    
    Windows Defender:
    ==============
    
    
    Other Services:
    ==============
    
    
    
    
    File Check:
    ========
    C:\Windows\System32\nsisvc.dll => MD5 is legit
    C:\Windows\System32\drivers\nsiproxy.sys => MD5 is legit
    C:\Windows\System32\dhcpcore.dll => MD5 is legit
    C:\Windows\System32\drivers\afd.sys => MD5 is legit
    C:\Windows\System32\drivers\tdx.sys => MD5 is legit
    C:\Windows\System32\Drivers\tcpip.sys
    [2013-04-12 16:55] - [2013-03-02 02:59] - 2231528 ____A (Microsoft Corporation) B6D52E2C38B49A156E58FF5B9C6CA8BE
    
    
    C:\Windows\System32\dnsrslvr.dll => MD5 is legit
    C:\Windows\System32\mpssvc.dll => MD5 is legit
    C:\Windows\System32\bfe.dll => MD5 is legit
    C:\Windows\System32\drivers\mpsdrv.sys => MD5 is legit
    C:\Windows\System32\SDRSVC.dll => MD5 is legit
    C:\Windows\System32\vssvc.exe => MD5 is legit
    C:\Windows\System32\wscsvc.dll => MD5 is legit
    C:\Windows\System32\wbem\WMIsvc.dll => MD5 is legit
    C:\Windows\System32\wuaueng.dll
    [2013-04-12 16:55] - [2013-03-01 19:45] - 3240448 ____A (Microsoft Corporation) 79F95469604B77296346DE7DB463EA2A
    
    
    C:\Windows\System32\qmgr.dll => MD5 is legit
    C:\Windows\System32\es.dll => MD5 is legit
    C:\Windows\System32\cryptsvc.dll => MD5 is legit
    C:\Program Files\Windows Defender\MpSvc.dll
    [2013-03-18 19:03] - [2013-01-28 16:08] - 1555920 ____A (Microsoft Corporation) 905601FFF40D8DA9FA82CBE77D1F5EB1
    
    
    C:\Program Files\Windows Defender\MsMpEng.exe
    [2013-03-18 19:03] - [2013-01-28 18:57] - 0014920 ____A (Microsoft Corporation) 473B9548568BA927ACE0B77EC208A561
    
    
    C:\Windows\System32\svchost.exe => MD5 is legit
    C:\Windows\System32\rpcss.dll => MD5 is legit
    
    
    
    
    **** End of log ****
    Last edited by Brink; 15 May 2013 at 01:45 AM. Reason: code box
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  9. #9
    Brink's Avatar

    Administrator



    Join Date : Jul 2009
    Posts : 17,992
    64-bit Windows 8.1 Enterprise (RTM)
    us oklahoma


    Hello zafsf, and welcome to Eight Forums.

    Double check to see if the tutorial below may help to turn on Windows Defender.

    Windows Defender - Turn On or Off in Windows 8

    Hope this helps,
    Shawn
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  10. #10



    Junior Member

    Join Date : Jun 2014
    Posts : 10
    XP, Win 7, Win 8
    USA us texas


    I read about as much as I could stand on this subject and jumped through the hoops (Norton removal tool, sf /scannow,, services.msc, etc.) trying to turn on Defender on an 8.1 Gateway PC. No luck. It's a travesty that these vendors allow this to go on. I finally had to install Panda Free AV, and now will have to put up with their constant badgering to buy something I don't need. I could nuke the device, but there's a chance I'll have the same problem after two days of restoring my computer.

    Here's a suggestion: My new rule is to never buy any device with Norton A/V already installed, because there's a chance I will end up with a partially crippled unit. Keep that in mind and while you're at it, repost said suggestion every time you get the chance, and maybe someday Norton will wake up. I will never buy anything from Gateway, that's for sure.
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