Crash on Full Defender Scan


  1. Posts : 7,901
    Windows 11 Pro 64 bit
       #1

    Crash on Full Defender Scan


    I keep getting the error shown below only when doing a full Defender scan on the C: drive of my Dell laptop. I've checked I have the latest Intel and NVidia drivers and sfc /scannow shows no problems. Any Ideas?
    Attachment 260396
      My Computers


  2. Posts : 41,462
    windows 10 professional version 1607 build 14393.969 64 bit
       #2

    1) Please run V2 > upload results into this thread
    BSOD - Posting Instructions

    2) Choose one of the temperature monitoring software applications: Speecy, HW monitor, Speed fan:
    Speccy - Free Download - Piriform: Speccy - System Information - Free
    Download Speccy | Find your computer specs, free!
    Download Speccy | Find your computer specs, free!
    HWMONITOR | Softwares | CPUID: HWMONITOR | Softwares | CPUID
    HWMONITOR | Softwares | CPUID
    SpeedFan - Access temperature sensor in your computer: SpeedFan - Access temperature sensor in your computer
    SpeedFan - Access temperature sensor in your computer

    3) Open administrative command prompt and type or copy and paste:
    4) sfc /scannow
    5) dism /online /cleanup-image /scanhealth
    6) dism /online /cleanup-image /restorehealth
    7) sfc /scannow
    8) chkdsk /scan
    9) wmic recoveros set autoreboot = false
    10) wmic recoveros set DebugInfoType = 7
    11) bcdedit /enum {badmemory}

    12) When these have completed > right click on the top bar or title bar of the administrative command prompt box > left click on edit then select all > right click on the top bar again > left click on edit then copy > paste into the thread
      My Computer


  3. Posts : 7,901
    Windows 11 Pro 64 bit
    Thread Starter
       #3

    I just did a full scan which worked fine. What's the difference in Defender doing a full scan and a custom scan of the C: drive on my laptop which only has one drive?
      My Computers


  4. Posts : 41,462
    windows 10 professional version 1607 build 14393.969 64 bit
       #4

    Windows can delete both mini and memory dump files.
    The log collector can collect the mini dump files so they can be debugged.
    Memory dump files need to be manually saved.
    The default setting is to overwrite memory dump files.

    Hardware crashes can occur spontaneously.
    The debugging can be useful in determining causation or correlation.

    When available please upload V2.
    Memory dumps < 1.5 GB can be posted using share links.
      My Computer


  5. Posts : 7,901
    Windows 11 Pro 64 bit
    Thread Starter
       #5

    zbook said:
    Windows can delete both mini and memory dump files.
    The log collector can collect the mini dump files so they can be debugged.
    Memory dump files need to be manually saved.
    The default setting is to overwrite memory dump files.

    Hardware crashes can occur spontaneously.
    The debugging can be useful in determining causation or correlation.

    When available please upload V2.
    Memory dumps < 1.5 GB can be posted using share links.
    See here https://www.tenforums.com/bsod-crash...ml#post1800590
      My Computers


  6. Posts : 41,462
    windows 10 professional version 1607 build 14393.969 64 bit
       #6

    There were 5 recent BSOD.
    There were 3 mini dump files collected.
    All three were Bug Check 0x116: VIDEO_TDR_FAILURE
    The computer has dual graphics, Intel iGPU and Nvidia dGPU.
    These BSOD were all caused by problems related to Nvidia dGPU.

    It can be easy to miss BSOD when automatically restart is checked.
    The current settings are producing mini dump files.
    Memory dumps can be useful for debugging.
    The steps below will modify the settings so that if there is a BSOD it will display the bugcheck with : ( and will be more likely create memory and mini dump files.
    These settings can be kept or modified after the troubleshooting.

    For this bugcheck newer and older drivers can be tried.
    If driver replacement creates a stable environment that will complete the troubleshooting process.
    If BSOD continue despite multiple tested drivers then hardware troubleshooting or turning off Nvidia GPU may be needed.

    1) Open administrative command prompt and type or copy and paste:
    2) sfc /scannow
    3) dism /online /cleanup-image /scanhealth
    4) dism /online /cleanup-image /restorehealth
    5) sfc /scannow
    6) chkdsk /scan
    7) wmic recoveros set autoreboot = false
    8) wmic recoveros set DebugInfoType = 7
    9) bcdedit /enum {badmemory}

    10) When these have completed > right click on the top bar or title bar of the administrative command prompt box > left click on edit then select all > right click on the top bar again > left click on edit then copy > paste into the thread

    11) In the left lower corner search type: system or system control > open system control panel > on the left pane click advanced system settings

    a) > on the advanced tab under startup and recovery > click settings > post an image of the startup and recovery window into the thread

    b) > on the advanced tab under performance > click on settings > on the performance options window > click on the advanced tab > under virtual memory > click on change > post an image of the virtual memory window into the thread

    12) Open Ccleaner > click windows tab or custom clean > scroll down to system and advanced > post an image into the thread

    13) Turn off Windows updates of non-Microsoft drivers:

    Enable or Disable Driver Updates in Windows Update in Windows 10
    Prevent Windows Update from Updating Specific Device Driver

    14) uninstall the Nvidia GPU driver using DDU (display driver uninstaller)

    15) re-install the Nvidia GPU driver from the Dell website

    16) other drivers can be tested as needed from the Nvidia website

    17) make sure that you check the clean install box and if available install the physx driver.

    Display Driver Uninstaller Download version 18.0.1.5 (or newer version if available)
    Official Display Driver Uninstaller DDU Download

    Display Driver Uninstaller: How to use - Windows 7 Help Forums
    Display Driver Uninstaller: How to use - Windows 7 Help Forums

    Download Drivers | NVIDIA
    Download Drivers | NVIDIA




    Code:
    DriverVersion           : 25.21.14.2531 
    DriverDate              : 09/04/2019

    Code:
    Name	NVIDIA GeForce GT 750M
    PNP Device ID	PCI\VEN_10DE&DEV_0FE4&SUBSYS_05FA1028&REV_A1\4&16521EDF&0&00E4
    Adapter Type	GeForce GT 750M, NVIDIA compatible
    Adapter Description	NVIDIA GeForce GT 750M
    Adapter RAM	(2,147,483,648) bytes
    Installed Drivers	C:\WINDOWS\System32\DriverStore\FileRepository\nvdmi.inf_amd64_774120bbcad3ef2b\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvdmi.inf_amd64_774120bbcad3ef2b\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvdmi.inf_amd64_774120bbcad3ef2b\nvldumdx.dll,C:\WINDOWS\System32\DriverStore\FileRepository\nvdmi.inf_amd64_774120bbcad3ef2b\nvldumdx.dll
    Driver Version	25.21.14.2531
    INF File	oem0.inf (Section028 section)
    Colour Planes	Not Available
    Colour Table Entries	Not Available
    Resolution	Not Available
    Bits/Pixel	Not Available
    Memory Address	0xE2000000-0xE2FFFFFF
    Memory Address	0xD0000000-0xDFFFFFFF
    Memory Address	0xE0000000-0xE1FFFFFF
    IRQ Channel	IRQ 16
    Driver	C:\WINDOWS\SYSTEM32\DRIVERSTORE\FILEREPOSITORY\NVDMI.INF_AMD64_774120BBCAD3EF2B\NVLDDMKM.SYS (25.21.14.2531, 19.79 MB (20,747,736 bytes), 26/09/2019 09:41)

    Code:
    nvlddmkm.sys Tue Apr  9 04:38:51 2019 (5CAC844B)
      My Computer


  7. Posts : 7,901
    Windows 11 Pro 64 bit
    Thread Starter
       #7

    It was the NVidia driver. I disabled the NVidia GPU and the scan ran fine. I uninstalled the more recent NVidia GPU driver and reverted to the last Dell supplied driver from 2016 and the scan now completes. This is an example where the older driver is more stable or it needs to be fiddled with by Dell to work correctly.
      My Computers


  8. Posts : 41,462
    windows 10 professional version 1607 build 14393.969 64 bit
       #8

    That's good news.

    Either the Dell website or using a new backup image should make it easier to fix in case there are any unexpected Windows updates of non-Microsoft drivers.
      My Computer


 

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