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BSoD, KERNEL_SECURITY_CHECK_FAILURE, caused by mwac.sys & ntoskrnl.exe


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Just got BSoD' with the error KERNEL_SECURITY_CHECK_FAILURE.
Ran WhoCrahed, and after analyzing it read:
On Tue 1/5/2021 8:25:24 PM your computer crashed or a problem was reported
crash dump file: C:\WINDOWS\MEMORY.DMP
This was probably caused by the following module: mwac.sys (mwac+0x176E3)
Bugcheck code: 0x139 (0x3, 0xFFFFF8035A492650, 0xFFFFF8035A4925A8, 0x0)
Error: KERNEL_SECURITY_CHECK_FAILURE
file path: C:\WINDOWS\system32\drivers\mwac.sys
product: Malwarebytes Web Protection
company: Malwarebytes
description: Malwarebytes Web Protection
Bug check description: The kernel has detected the corruption of a critical data structure.
A third party driver was identified as the probable root cause of this system error. It is suggested you look for an update for the following driver: mwac.sys (Malwarebytes Web Protection, Malwarebytes).
Google query: mwac.sys Malwarebytes KERNEL_SECURITY_CHECK_FAILURE




On Tue 1/5/2021 8:25:24 PM your computer crashed or a problem was reported
crash dump file: C:\WINDOWS\Minidump\010521-35500-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x1C3B20)
Bugcheck code: 0x139 (0x3, 0xFFFFF8035A492650, 0xFFFFF8035A4925A8, 0x0)
Error: KERNEL_SECURITY_CHECK_FAILURE
file path: C:\WINDOWS\system32\ntoskrnl.exe
product: Microsoft® Windows® Operating System
company: Microsoft Corporation
description: NT Kernel & System
Bug check description: The kernel has detected the corruption of a critical data structure.
The crash took place in the Windows kernel. Possibly this problem is caused by another driver that cannot be identified at this time.


Not sure to go with this information so I'm coming here, considering it seems to involve mwac.sys. After reading some threads with other people with the same issue, it always point back to having another antivirus installed. But I don't.
I'll be happy to cooperate with any instruction given to me to help me fix this issue.

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Almost forgot to include these from the BSoD posting guide! Heres everything it asked for:
· OS - Windows 10
· x64
· Windows 10, I believe.
· Pre-Installed.
· Maybe 2-3 years ago is when I bought it.
· I haven't touched the OS.

· CPU: AMD Ryzen 3 2300X Quad-Core Processor 3.40 GHz
· Video Card:
AMD Radeon(TM) RX 560 Series
· MotherBoard - ASRock A320M-HDV R4.0
· Power Supply - 800-watt, I think. Couldn't find a way to check.

· "To Be Filled By O.E.M" This is all I could find through dxdiag.
· "To Be Filled By O.E.M" This is all I could find through System Information.

· Desktop.

SysnativeFileCollectionApp.zip

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Can you please collect and upload as an attachment the diagnostic data using our MBST?

  • Download and run the Malwarebytes Support Tool
  • Accept the EULA and click Advanced tab on the left (not Start Repair)
  • Click the Gather Logs button, and once it completes, attach the zip file it creates on your desktop to your next reply
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2 hours ago, genuine said:

Alright, here it is!

Please refer to this support article which lists several known applications which conflict with the Web Protection in Malwarebytes currently, which includes Qustodio.

Also would not be surprised if Proton VPN even though it is not listed in the article is not a suspect.

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1 hour ago, emile_ said:

Hi. I'm getting exactly the same crash. 3 times in a row. Have disabled Web Protection for now.

Can you please collect and upload as an attachment the diagnostic data using our MBST?

  • Download and run the Malwarebytes Support Tool
  • Accept the EULA and click Advanced tab on the left (not Start Repair)
  • Click the Gather Logs button, and once it completes, attach the zip file it creates on your desktop to your next reply
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  • Staff

A new beta has been released which addresses some BSOD issues.  To install it, open Malwarebytes and navigate to settings by clicking the small gear icon in the upper right, then scroll down to Beta updates under the General tab and enable the option to install beta updates, then scroll back to the top and click the Check for updates button to have it download and install the new beta, then restart the system once it completes and test to see if the issue is now resolved.

Please let us know how it goes.

Thanks

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