Windows 10: Defender and KB2267602 update failure Solved

  1.    12 Dec 2015 #1

    Defender Running?/Not Running? and KB2267602 update failure

    I have 2 Dell XPS 8700 PCs and both have Win10 Pro. Defender is turned off on both PCs and has Norton Security installed. PC1 does not download nor install defender updates. PC2 downloads KB2267602 but the installation fails with 0x80070643.
    On PC2 when Defender is clicked in settings the following is displayed "PC status is at risk"

    On PC1 when Defender is clicked in settings the following message is displayed "The app has been turned off . . "

    In both PCs the Local Group Policy Editor shows everything doe Defender as "not configured."

    FYI, I've run SFC and DISM to no avail as well as uninstalled and reinstalled Norton Security. Apparently in this cased Norton Security does not fully disable Defender and it is in some in between state, not fully off enough to stop asking for updates but not on enough to run fully. Maybe some parts of Defender are actually running in the background and causing the definition update to be downloaded. Any ideas on how I can stop the Defender Updates from being downloaded on PC2 would be very helpful?

    UPDATE: Use Brink's Tutorial "Windows Defender - Turn On or Off In Windows 10." Problem solved. Big thanks to Shawn, he save my bacon again!
    Attached Thumbnails Attached Thumbnails Defender PC1.PNG   Defender PC2.PNG  
    Last edited by SoFine409; 12 Dec 2015 at 17:45. Reason: Added information
      My ComputerSystem Spec


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