Windows 10: Stop me from wasting time on defender offline

Discus and support Stop me from wasting time on defender offline in Windows 10 Support to solve the problem; Hi. Specs are asus core i7 premium laptop only around 10 years old. Was win7 pro. Upgraded to win 10 home about a year and and half ago. My mission was... Discussion in 'Windows 10 Support' started by Jimbo93, Mar 14, 2021.

  1. Jimbo93 Win User

    Stop me from wasting time on defender offline


    Hi. Specs are asus core i7 premium laptop only around 10 years old. Was win7 pro. Upgraded to win 10 home about a year and and half ago. My mission was to eventually eliminate any issues left over after the original upgrade. And probably I chased some ghosts and caused some issues myself. I wanted to learn win 10 better and this was one way. So the build is 20H2 19042.867.

    Todays gremlin is that MDO wont scan and the log file indicates it cant find the signatures. If I do an in place upgrade back to .631 and run one before the defender platform is updated it has worked. Now I am networking with WiFi only. So I guess that means it has to find the signatures on the host OS, because winRE does not support WiFi as installed, correct?
    The question is can anyone say for sure that with a recent defender platform like version 4.18.2102.3, which I have now, MDO scans do work without a wired Ethernet to grab the sigs from the net? Should be simple to test if someone else is on 20H2 and curious.

    Ive tried everything anyway. I will be shocked if someone contradicts my theory.

    :)
     
    Jimbo93, Mar 14, 2021
    #1
  2. Whick Win User

    Windows Defender Offline for Windows 10

    Tried this suggestion and it did not work. Tried to boot from USB with Windows Defender Offline transferred from a safe computer. Would not boot from USB. Message "Secure Boot Violation, Invalid Signature Detected, Check secure boot policy in Setup"
    Any suggestions on next steps for a Windows 10 compatible version of Windows Defender Offline?
     
    Whick, Mar 14, 2021
    #2
  3. Jorge Tan Win User
    offline scan by win defender

    Hi,

    To further assist you with your concern with Windows Defender, follow the steps below:

    • Open the Run window by pressing Window + R button.
    • Then type services.msc and hit "Enter".
    • Look for Windows defender service in the list and right click on it and select start.
    • Once Windows defender is opened try to do the offline scan on that window.

    Let us know how it goes.
     
    Jorge Tan, Mar 14, 2021
    #3
  4. Steve C Win User

    Stop me from wasting time on defender offline

    Defender Periodic Scanning or Offline Scanning?

    That link does suggest it's useful to use Defender offline scanning in addition to periodic scanning and a third party real time anti virus (e.g. Kaspersky).
     
    Steve C, Mar 14, 2021
    #4
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Stop me from wasting time on defender offline

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