Windows 10: Problem with windows security center(Defender) and updates

Discus and support Problem with windows security center(Defender) and updates in AntiVirus, Firewalls and System Security to solve the problem; Hi! About a two weeks ago windows defender disappeared and also windows updates didnt work anymore. (0x80080005) Windows was new and clean. It... Discussion in 'AntiVirus, Firewalls and System Security' started by Sigmars, Mar 31, 2019.

  1. SIGMARS
    Sigmars Win User

    Problem with windows security center(Defender) and updates


    Hi!



    About a two weeks ago windows defender disappeared and also windows updates didnt work anymore. (0x80080005) Windows was new and clean. It turned out that the services are lost. I made new clean install and now after week or two i have the same problem. Windows security center is empty, cant make any changes there. I make a new clean install but i think after two weeks windows security and update services disappear again. What may cause that?

    Thank you

    :)
     
    Sigmars, Mar 31, 2019
    #1
  2. JAMES_27G
    james_27G Win User

    Windows defender security center problem

    When I try to start the windows defender security center the antimalware service executable starts up and uses up to 98% CPU. I have tried to change proxy restart defender and many suggested steps and also went to windows deffender online to do a scan
    that way but no malware came up. The problem still persists. Does anyone know what to do in this situation? I just want my security to run properly but I cant even get to the menus.
     
    james_27G, Mar 31, 2019
    #2
  3. BORG 386
    Borg 386 Win User
    windows defender & security center services keep turning off


    Are you running any other AV or did you have one running in the past? If you didn't use an uninstaller for the AV, then the remnants of it could be causing the problem. Normally any time you install an AV it disables Defender by default.

    If you are getting any error codes please list those, that will be helpful in helping you.

    As torre suggested, might be a good idea to do a reset or even a reinstall.

    Reset Windows 10 - Windows 10 Forums

    Windows 10 - Clean Install - Windows 10 Forums

    There are also some suggestions listed here:

    Unable to turn on Windows Defender in Windows 7 / 8 / 10

     
    Borg 386, Mar 31, 2019
    #3
  4. JHAWK55
    Jhawk55 Win User

    Problem with windows security center(Defender) and updates

    Having problem with Windows Defender Security Center


    Thanks guys for replying...

    @Bree, I have tried the suggestions in your links but problem is still there. I do not have other 3rd party Anti-virus. I do have Malwarebytes Pro which has being using with WD for many years without any issues.
    @Caledon Ken, I have tried the in-place repair install but it did not solve the problem. It actually creates more issues for me that's why I restore back using backup image.

    How I wish they have a reset command using Powershell or CMD just like Microsoft Edge...
     
    Jhawk55, Mar 31, 2019
    #4
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Problem with windows security center(Defender) and updates

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