Windows Defender Antivirus wont start

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  1. kirbyk
    Posts : 8
    windows 10
    Thread Starter
       New #11

    Just installed Ccleaner and found 616 issues with the registry.. I made a backup and fixed all. Still cant start virus protection
      My Computer
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  3. kirbyk
    Posts : 8
    windows 10
    Thread Starter
       New #12

    should I try to uninstall and re-install windows defender?
      My Computer
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  4. kirbyk
    Posts : 8
    windows 10
    Thread Starter
       New #13

    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
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  6. Jimmy9190
    Posts : 67
    Windows 10
       New #14

    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.

    Jimmy
      My Computer
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