Windows 10: Windows Defender Offline Scan failure with Error code: 0xc0000221

Discus and support Windows Defender Offline Scan failure with Error code: 0xc0000221 in AntiVirus, Firewalls and System Security to solve the problem; When I run 'Windows Defender Offline Scan' the PC reboots and displays a blue "Recovery" screen saying: Your PC/Device needs to be repaired... Discussion in 'AntiVirus, Firewalls and System Security' started by MarkP777, Nov 14, 2019.

  1. MarkP777 Win User

    Windows Defender Offline Scan failure with Error code: 0xc0000221


    When I run 'Windows Defender Offline Scan' the PC reboots and displays a blue "Recovery" screen saying:


    Your PC/Device needs to be repaired

    The operating system couldn't be loaded because the kernel is missing or contains errors.

    File: \windows\system32\ntoskrnl.exe

    Error code: 0xc0000221

    You'll need to use recovery tools. If you ...........


    None of the boot options work when selected, but a Ctrl-Alt-Del did allow the PC to successfully boot back into Windows.


    I assumed this may be because of a recovery partition problem, but this looks ok to me:

    WINRETOOLS, 490 MB NTFS, Healthy (OEM Partition)

    500 MB, Healthy (EFI System Partition)

    OS (CWindows Defender Offline Scan failure with Error code: 0xc0000221 :), 464.11 Gb NTFS. Healthy (Boot, Page File, Crash Dump, Primary Partition)

    571 MB NTFS, Healthy (OEM Partition)


    Any ideas?

    :)
     
    MarkP777, Nov 14, 2019
    #1
  2. Steve C Win User

    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, Nov 14, 2019
    #2
  3. windows Defender Offline scan not working - Error code 0x800000a

    windows defender offline scan not working! error code 0x800000a and ID event 2031
     
    Jonavigator1, Nov 14, 2019
    #3
  4. Jorge Tan Win User

    Windows Defender Offline Scan failure with Error code: 0xc0000221

    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, Nov 14, 2019
    #4
Thema:

Windows Defender Offline Scan failure with Error code: 0xc0000221

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