Defender App is Dead Solved

  1.    13 Aug 2016 #1

    Defender App is Dead

    After deleting AVG and BYTE FENCE, I am not able to open Defender App
    (See screen shot.)
    REAL TIME protection is on.

    Can anyone help?
    PS: I am still on the windows 8.1 upgrade
    My actual version is : Win10 home: 10586.545 / HP laptop (pavillion)
    Attached Thumbnails Attached Thumbnails Defender_App_Dead.png  
      My ComputerSystem Spec

  2.    13 Aug 2016 #2

    Do you have any other security software running such as Spybot?

    You could try running sfc /scannow in an elevated command prompt to see if the OS picks up any corruption.
      My ComputersSystem Spec

  3. TairikuOkami's Avatar
    Posts : 3,580
    Home 1809 x64 10.0.17763.288
       13 Aug 2016 #3

    You could try this, run CMD as admin and copy/paste/enter.

    sc config TrkWks start= auto
    net start TrkWks
    chkdsk /scan
    shutdown /r /t 60
      My ComputerSystem Spec

  4.    13 Aug 2016 #4

    TairikuOkami said: View Post
    You could try this, run CMD as admin and copy/paste/enter.

    sc config TrkWks start= auto
    net start TrkWks
    chkdsk /scan
    shutdown /r /t 60
    Thanks for your replies
    SFC/ scannow was negative: no integrety violation.
    For these command lines, result was also negative.
      My ComputerSystem Spec

  5.    13 Aug 2016 #5

    Defender Re-enabled

    AVG and BYTEFENCE were not properly uninstalled in Program and features (they were not shown in REVO UNINSTALLER). To solve the problem:
    1. We deleted them in Regedit in HKEY_LOCAL_MACHINE
    2. After Following OPTION 7 of the link below and deleting the appropriate files, Defender was automatically reenabled after reboot.
    Problems starting Windows Defender in Windows 810 - Microsoft Community
    Thanks to all
    Attached Thumbnails Attached Thumbnails Enabling_Defender.PNG  
      My ComputerSystem Spec


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