BSOD Kernel Security Check Failure

BAZZA_UK

Thread Starter
Joined
Jul 29, 2003
Messages
160
Hi I have been getting the dreaded BSOD now and again on my laptop. It has just happened this morning and did the same last week. I fitted new memory around 10 months ago after it happening a number of times and I thought it may be a ram issue. It stopped happening for a while but the problem has not gone away.

Tech Support Guy System Info Utility version 1.0.0.9
OS Version: Microsoft Windows 10 Home, 64 bit, Build 19043, Installed 20200904090127.000000+000
Processor: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz, Intel64 Family 6 Model 58 Stepping 9, CPU Count: 4
Total Physical RAM: 8 GB
Graphics Card: Intel(R) HD Graphics 4000
Hard Drives: C: 697 GB (388 GB Free);
Motherboard: Hewlett-Packard 183F, ver 56.32, s/n PCSGC028J3R2QV
System: Insyde, ver HPQOEM - 1, s/n 5CD2484M93
Antivirus: Windows Defender, Enabled and Updated

Any help would be much appreciated
 

blues_harp28

Moderator
Joined
Jan 9, 2005
Messages
19,614
Hi, some reasons for Blue Screens
New hardware - Software installed.
Device driver - Video driver - corrupted - faulty.
Faulty Ram - Overheating - Dying hard drive, etc.
======
Post the Minidump files
Create a new folder on the desktop and call it dumpfiles [or something similar]
Look in c:\windows\minidump
Copy the last 4 minidump files to that folder.

Close the folder and right click on it and select Send To Compressed [zipped] Folder.
Windows will compress the file and then save the new zipped file in the same location.
Attach the zip folder by using the 'Upload a File' button.
 

blues_harp28

Moderator
Joined
Jan 9, 2005
Messages
19,614
Mindump file check x 1
PHP:
KERNEL_SECURITY_CHECK_FAILURE (139)
A kernel component has corrupted a critical data structure.  The corruption
could potentially allow a malicious user to gain control of this machine.

Debugging Details:
------------------
PROCESS_NAME:  opera.exe

ERROR_CODE: (NTSTATUS) 0xc0000409 - The system detected an overrun of a stack-based buffer in this application. This overrun could potentially allow a malicious user to gain control of this application.

EXCEPTION_CODE_STR:  c0000409

EXCEPTION_PARAMETER1:  0000000000000003

EXCEPTION_STR:  0xc0000409

SYMBOL_NAME:  Npfs!NpWriteDataQueue+11c

MODULE_NAME: Npfs

IMAGE_NAME:  Npfs.SYS

OSNAME:  Windows 10

FAILURE_ID_HASH:  {734ddf20-fae1-8884-840a-eda7ec0f8690}

Followup:     MachineOwner
---------
0: kd> lmvm Npfs
Browse full module list
Loaded symbol image file: Npfs.SYS
Mapped memory image file: c:\symcache\Npfs.SYS\9E3E4C731c000\Npfs.SYS
Image path: \SystemRoot\System32\Drivers\Npfs.SYS
Image name: Npfs.SYS
IMAGE_NAME: Npfs.SYS
https://www.systemlookup.com/Drivers/7474-npfs_sys.html

Npfs.sys is a Windows file and not known to cause many problems.
When did the blue screen occur - at startup - playing games, etc?
======
In the search box type > cmd
Right click > Select Run as administrator
In the Command Prompt window > type [copy and paste] sfc /scannow
Press Enter.
Again let it run until it has completed the scan.
Restart your pc and let us know if it has helped.
 

BAZZA_UK

Thread Starter
Joined
Jul 29, 2003
Messages
160
Thanks for your help Blues_Harp28
My laptop crashed when I was simply watching a video on YouTube. I don't play any games and the BSOD seems to be just random.
I am going to follow your instructions now and run a scan
 

BAZZA_UK

Thread Starter
Joined
Jul 29, 2003
Messages
160
I have just ran the scan from Command prompt
Windows resource protection found corrupt files and successfully repaired them.
Thank you very much for your time Blues_Harp28
As this has been occurring randomly I can only assume that this was the problem?
Shall I mark this as solved?
 

blues_harp28

Moderator
Joined
Jan 9, 2005
Messages
19,614
It may have solved the blue screen issue, may have.
However, where the blue screen error is reported may not be where it first started and may not be the cause.
Other causes - Video driver - corrupted - faulty. Faulty Ram - Overheating - Dying hard drive, etc.
=
Npfs.sys also relates to networking files/driver, etc.
Check that your networking drivers are up to date.
 

BAZZA_UK

Thread Starter
Joined
Jul 29, 2003
Messages
160
I have new Ram and it hasn't been overheating. I shall check my video driver although I try to keep all my drivers up to date. The hard drive is reasonably new also.
 

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