Windows Defender Antivirus wont start

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  1. Posts : 8
    windows 10
    Thread Starter

    Just installed Ccleaner and found 616 issues with the registry.. I made a backup and fixed all. Still cant start virus protection
      My Computer

  2. Posts : 8
    windows 10
    Thread Starter

    should I try to uninstall and re-install windows defender?
      My Computer

  3. Posts : 8
    windows 10
    Thread Starter

    reading a microsoft article on this problem... I found: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion\Image File Execution Options. this: MsMpEng.exe the article says to delete it.
      My Computer

  4. Posts : 67
    Windows 10

    When running the McAfee removal tool and checking the registry are you signed in to an Administrator account or Standard User account? You may need to be on as an admin to make changes or start Defender.

      My Computer


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