Windows 10: Windows Defender doesn't work Win 11

Discus and support Windows Defender doesn't work Win 11 in AntiVirus, Firewalls and System Security to solve the problem; Hi!I can't open the Windows Defender. There's an action required but when I try open the dashboard, it says I have to download an app from the... Discussion in 'AntiVirus, Firewalls and System Security' started by 4R13, Apr 6, 2022.

  1. 4R13
    4R13 Win User

    Windows Defender doesn't work Win 11


    Hi!I can't open the Windows Defender. There's an action required but when I try open the dashboard, it says I have to download an app from the Microsoft Store. I've tried this: PowerShell -> 'Run as Administrator' -> Paste this into PowerShell and press Enter Add-AppxPackage -Register -DisableDevelopmentMode "C:\Windows\SystemApps\Microsoft.Windows.SecHealthUI_cw5n1h2txyewy\AppXManifest.xml"And this: Get-AppxPackage *Microsoft.SecHealthUI* Reset-AppxPackage Get-AppxPackage Microsoft.SecHealthUI -AllUsers Reset-AppxPackage Then restarted and checked the Windows Defender.No one of it i

    :)
     
    4R13, Apr 6, 2022
    #1
  2. BETOLP
    BetoLP Win User

    Windows doesn`t start. Authomatic repair doesn`t work.

    Thanks again!!

    I`m sorry I had not noticed that the text on the picture was in spanish. It says that windows has replaced some damaged clusters in "name" file and "directory". Then, at the end "an unspecified error occurred (75736e6a726e6c2e 4f6)".

    I`ll do it and I`ll be updating this thread when I have the report.

    - - - Updated - - -

    I ran SeaTools. These are the results:

    Windows Defender doesn't work Win 11 [​IMG]


    Does it mean my HDD is useless?
     
    BetoLP, Apr 6, 2022
    #2
  3. GEIRRYKHUS
    geirrykhus Win User
    CD-ROM doesn`t work with win 10

    After I installed Win 10 my CD ROM doesn`t work any longer. Does somebody have an solution?
     
    geirrykhus, Apr 6, 2022
    #3
  4. BETOLP
    BetoLP Win User

    Windows Defender doesn't work Win 11

    Windows doesn`t start. Authomatic repair doesn`t work.

    Thanks for your answer, ken!
    I deleted all my data. I had have it backed up.

    I did a clean installation using the windows media creation tool (usb option).

    No, I didn`t. I thought a clean installation would solve the problem.

    After posting my previous message, I did it.


    Windows Defender doesn't work Win 11 [​IMG]


    After chkdsk, I close cmd and tried to boot and the laptop just turned it off. This morning I`ve restarted it and automatically windows did a repair. Windows has booted and it seems that the repair tool has removed chrome and acrobat pdf reader (the only two programs I had installed after reinstalling windows).

    Now Windows is installing updates and restarting my lapop, I`m kind of frightened. I don`t want it to happen again. Anyhow, I want to know what has brought the issue

    I`ve been looking for information about the error code at the end of the picture and I didn`t get anywhere.
     
    BetoLP, Apr 6, 2022
    #4
Thema:

Windows Defender doesn't work Win 11

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