Windows Defender Service is Missing & not Listed – (Fixing Guide)

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How to fix when Windows Defender Service is Missing

Question

I have a problem in windows defender When i got to start it, it says please turn on “Windows Defender” Service and when i go to service.msc however the system don’t have “windows defender” service, Where is my Windows defender, I know that the Windows 7 has Windows Defender service, please help me to get it back ?

Solved Answer

Actually, you system have lost windows defender service from registry as well, first you have to create windows defender service manually or you have to merge Windows defender default registry .reg file. We are providing you a default registry file for windows 7 / Windows vista it’d work for both. please follow the below instruction.

Automatic Fix it.

TSA_Fixit

Fix it myself manually

Here is the default registry of Windows Defender

Download Microsoft Fixit for diagnose it automatically

Download this Default Windows Defender .reg file windefend.reg and merge it into registry.

  • Download this .reg file windefend.reg and just double click on it to execute and merge into registry.
  • Then restart your computer once.

It’s all done your issue will be Fixed.

 

Related Searches

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Windows Firewall and Defender missing files windows defender service missing vista I restarted my computer but everything was the same no windows defender service,  windows defender missing, windows defender service is not listed on Local Computer started and then stopped windows defender missing from services It is a component of the OS in Vista windows defender not in services list to be restored back on windows 8 windows defender will not turn on if any system files are missing or damaged windows defender service not starting

Windows Defender Services the only items that Can’t start Windows Defender If the Windows Defender wont start I’ve had this issue for a couple weeks now Windows Defender Start Error are related to the same problem I cannot get Windows defender to turned on Fix is at the bottom No Windows Defender Service Something else I noticed that Windows Firewall and Defender missing files and will not allow Windows Defender service does not starts.

 

 

23 Comments
  1. ezekiel says

    i have a problem ,, how to fix missing file MSASCUI.exe in windows defender ,,please help me

  2. Lucas says

    My windows says its was not possible to import the registry to restore the windows defender service because or it was in use or i didn’t had the permissions to do it, i’m in an administrator account but it seens impossible to re-enable him through actions center and his service isn’t listed.

    1. Techexpert says

      You need to run MSfixit for permission issue first and then update that registry. You also re-permit the registry permission manually.

  3. shiva says

    i have run the registry fixit but still services are not runing

  4. Knight says

    After I have download and run MSfixit, the step is still in the “Checking for updates online…” like forever. Is there something wrong with it ??

  5. Faiz Ali says

    Dear Experts ,
    i am using windows 8.1 and can’t use windows defender because it’s services doesn’t work properly named ” Windefend and WdnisSvc” i got the error . even also i can’t install other anti virus software ……. so what should i do please please help me !

    1. Laila says

      same problem .. please help

      1. Techexpert says

        Could you please give us that error message which you got while starting “Windefend” & “Wdnissrv” services?

  6. Klop says

    file not found. 🙁 please reupload..

    1. Techexpert says

      Thank you for get in touch with us for this matter. We have checked it that the link was broken and we just have fix it and the link is up now. Download it please now.

  7. Vava says

    THANK YOU~~ THANK YOU THANK YOU!! You ARE THE BEST!!
    ALL day I Searched for solve my problem ANd I Have Find it at last!!
    DEfender is working now!! I LOVe YOU!

    1. Techexpert says

      Your most welcome!!

  8. Charlie says

    Will this solution work for Windows 10?

    1. Techexpert says

      We have not tested this into windows 10 yet. It shouldn’t work because it made for windows 7. You can try this after making a registry backup.

  9. Ron says

    Thank You your above suggestion fixed the Issue.

  10. Callum Brewin says

    friend’s win7 PC managed to have a virus that got rid of defender.. was just missing this regkey. always apprehensive when downloading a regkey from the net but initial gander via a text file looked good, and it worked well. service started straight away.

    for info: i run Win10 and the WinDefender key on my rig DID NOT work on his win7 rig, many differences in the keys. therefore not interchangable. always good to know 🙂

    thanks for offering this help guys, very useful as i didn’t have another win7 machine in the house!

    1. Techexpert says

      Thanks for letting us know. We’ll add reg file for Windows 10 PCs very soon.

  11. Dibyendu Mandal says

    There is an error msg “Canot import C:\Users\Computer name\Desktop\Windefend.reg: Error accessing the registry”

    Please help

    1. Techexpert says

      In which operating system are you running this reg file?

  12. Julius Gutierrez says

    Windows defender folder is missing in gpedit.msc & regedit. I cant turn on my windows defender, it says “this app is turn off and isn’t monitoring your computer”. What should I do?

    1. Techexpert says

      Go to “services.msc” page and look if is there “Windows defender” service missing or not? If it is missing then download and run “windefend.reg” file. And then do reboot your computer and run following ms fixit utility: https://support.microsoft.com/en-us/help/918355/how-to-troubleshoot-definition-update-issues-for-windows-defender

  13. Joakim Meier says

    The fixit link/download does not exist.
    Did the rest, all it does is change the name from windefend to windows defender.
    Still cant start or anything.

    1. Techexpert says

      Download this .reg (windefend.reg) file and simpley do double-click on this downloaded file to merge it to your registry. Then do reboot your computer and then check your windows defender service should came back. Please this doesn’t work then please let us know with more detail.

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