Question BSOD errors while gaming

Jun 12, 2020
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Hi all,

Hope someone can help. I built my first new PC in 10 years a few months back. As a work and gaming rig. Its been fine but now in some games it BSODs with 'Kernel Security Check Failure' error. Random amount of time, 1 or 2 hours sometimes more. Snowrunnner and 7 Days to die being 2 of the main culprits.

I have updated the bios on my MB and reinstalled windows with all latest drivers. I have also run the windows memory test on the default 2 scan settings without issues.

Using Who Crashed i found the following details

On Tue 18/08/2020 20:56:49 your computer crashed or a problem was reported
crash dump file: C:\Windows\Minidump\081820-6265-01.dmp
This was probably caused by the following module: ntoskrnl.exe (nt+0x3DDF40)
Bugcheck code: 0x139 (0x3, 0xFFFFB9883ACEC790, 0xFFFFB9883ACEC6E8, 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.

On Tue 18/08/2020 20:56:49 your computer crashed or a problem was reported
crash dump file: C:\Windows\MEMORY.DMP
This was probably caused by the following module: ntkrnlmp.exe (nt!setjmpex+0x8199)
Bugcheck code: 0x139 (0x3, 0xFFFFB9883ACEC790, 0xFFFFB9883ACEC6E8, 0x0)
Error: KERNEL_SECURITY_CHECK_FAILURE
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.


Please help, otherwise i have a very expensive paperweight. :(

thanks in advance..

P.S. 10 hours + of desktop working, remote desktop, web browsing, not a single issue.

I also disabled precision boost in the bios the day i built the PC and keep display drivers up to date through Geforce experience. Ive run the diagnostics tests in the software for both drives (ADATA and Samsung) and no errors were returned. Ive checked temps in games on a hot day after several hours and my CPU is around 70-75c according to Ryzen master and GPU maxes at 75c in MSI afterburner (stock settings). I have 2 140mm fans in front of case and a 120 in the back. The CPU runs on a GAMMAXX 400 cooler with artic thermal paste. So... I think all seems fine as far as i can tell temps wise.

My PC specs are
AMD 3600
Aorus B450 Pro Mobo
16GB Corsair 3200 ram
RTX2060 super MSI gaming GPU
ADATA m.w nvme drive
Samsung 860 QVO SSD
Superflower PSU
 
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