Windows 10: Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then

Discus and support Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then in AntiVirus, Firewalls and System Security to solve the problem; As in the title. I run the scan, it scans circa 55000 files, stops at 91%, the black window dissappear, there's only blue background, and the PC... Discussion in 'AntiVirus, Firewalls and System Security' started by JonnyJalapeno, Dec 11, 2020.

  1. Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then


    As in the title. I run the scan, it scans circa 55000 files, stops at 91%, the black window dissappear, there's only blue background, and the PC reboots. I have all windows updates, i ran sfc /scannow i ran DISM scanhealth command and everything is fine. I've ran chkdsk and it's also fine.

    :)
     
    JonnyJalapeno, Dec 11, 2020
    #1

  2. Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then

    As in the title. I run the scan, it scans circa 55000 files, stops at 91%, the black window dissappear, there's only blue background, and the PC reboots. I have all windows updates, i ran sfc /scannow i ran DISM scanhealth command and everything is fine. I've ran chkdsk and it's also fine.
     
    JonnyJalapeno, Dec 11, 2020
    #2
  3. Microsoft Defender Offline Scan

    Restored the Macrium Image and got my Recovery partitions back:


    Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then [​IMG]



    So as expected, I had a bunch of updates to do:


    Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then [​IMG]


    After the updates, I gave Microsoft Defender Offline a try and it worked!


    Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then [​IMG]



    Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then [​IMG]


    And this just shows that I'm back at the latest version build of 20H2:


    Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then [​IMG]


    This one was my fault and I admit I was the culprit of my own troubles. It was just a coincidence that I used Partition Wizard around the same time the Cumulative Updates were going on from Oct 28th to November 11th and it gave me the suspicion to suspect them being responsible for the Offline scan problem.

    I mean who the heck would of ever thought that a Recovery Partition would have anything to do with an Offline Scan in an Online world?

    A special thanks to OldNavyGuy for his suggestion that a Windows Recovery Partition being deleted was the problem.
     
    EyeInTheSky, Dec 11, 2020
    #3
  4. Steve C Win User

    Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then

    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, Dec 11, 2020
    #4
Thema:

Windows 10-Microsoft Defender Offline scan stop at 91%, PC reboot then

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