WHEA 18 Cache Hierarchy Error reboots insanity


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vaselineontoast

Member
Local time
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OS
windows 11
Hello.
Couple weeks ago i was unfortunate to cross path with infamous WHEA Logger Event ID 18 Machine Check Exception Cache Hierarchy Error. Every time when i want to play something demanding like Warframe, total war warhammer 2 or even garrys mod. Screen goes dark after just clicking icons and whole pc just restart itself.

Only thing that is registered its a WHEA bug in a Event viever with random APIC ID (1, 8, 9, 12...). When looking around other forums and this one , noticed a large amount of these bugs. My bet its a windows updates, but sadly i don’t remember when the crashes appeared. Checked temps, played around in bios, checked for mechanical damage, and no fix. Below i put things that i tried and also specs.

  1. Updated everything that needed update (Windows, drivers,Bios)
  2. Memtest86 (passed)
  3. I uninstalled gpu drivers with DDU and installed multiple different with no success
  4. Checked for temperature, between 70 to 80
  5. Re pasted and add new termopads to gpu
  6. Under-clocking, over-clocking didn’t bring any results
  7. Bios reset to default settings didn’t bring any results
  8. Disabled Precision Boost Overdrive (PBO) no success
  9. Disabled Global C-States, nope
  10. Tested each XMP profiles (3000,3200,3600) no success
  11. Added positive voltage offsets and tested each. Added +0.025 V to cpu and worked only for like 3 hours and crashes and started adding more voltages to test them with no results (+0.050, V+0.075, V+0.100 V)
  12. Removed all CPU overclocking with voltages and none voltages, no success
PCspecs:

CPU: AMD Ryzen 7 5700X 8 Cores / 16 Threads

Motherboard: ASUS PRIME B550M-A BIOS Version 3636 (2026-01-04)

Memory sticks: 16 GB (2×8 GB) Kingston Fury Beast Model: KF3600C17D4/8GX

GPU: PowerColor Radeon RX 6600 XT Fighter 8GB

PSU: Cooler Master MWE Gold V2 750W Fully Modular

Storage: WD Green SN350 1TB NVMe Crucial MX300 275GB SATA SSD WD Blue 1TB HDD

OS:Windows 11 Home 25H2 Build 26200.8737
 
Windows Build/Version
Windows 11 Home 25H2 Build 26200.8737

My Computer My Computer

At a glance

windows 11AMD Ryzen 7 5700X 8 Cores / 16 Threads16 GB (2×8 GB) Kingston Fury Beast Model: KF3...PowerColor Radeon RX 6600 XT Fighter 8GB
OS
windows 11
Computer type
PC/Desktop
CPU
AMD Ryzen 7 5700X 8 Cores / 16 Threads
Motherboard
ASUS PRIME B550M-A
Memory
16 GB (2×8 GB) Kingston Fury Beast Model: KF3600C17D4/8GX
Graphics Card(s)
PowerColor Radeon RX 6600 XT Fighter 8GB
Hard Drives
WD Green SN350 1TB NVMe Crucial MX300 275GB SATA SSD WD Blue 1TB HDD
PSU
Cooler Master MWE Gold V2 750W Fully Modular

WHEA​

The WHEA bug in the Event Viewer can be caused by various factors, including hardware failures, outdated or corrupted system drivers, or issues with the processor. To troubleshoot this bug, users can follow these steps:
 

My Computer My Computer

At a glance

windows 11and ryzen 9 5950X 16 -core processor64g CMW32GX4M2Z3600C18 x 4geforce rtx 4070 ti super 16g
OS
windows 11
Computer type
PC/Desktop
Manufacturer/Model
gigabyte
CPU
and ryzen 9 5950X 16 -core processor
Motherboard
gigabyte x570s aorus master
Memory
64g CMW32GX4M2Z3600C18 x 4
Graphics Card(s)
geforce rtx 4070 ti super 16g
Sound Card
realtek high def audio
Hard Drives
Kingston SFYRDK4000G
Samsung HD204UI 2t
Samsung 850 EVO 2t
Case
corsair 900d
Cooling
rog ryujin 320 aio
Internet Speed
900 gb
Browser
edge
Antivirus
comodo
vaselineontoast said:
Hello.
Click to expand...
Follow the steps in the document linked below please: BSOD - Posting Instructions
@zbook usually is the specialist for those types of issues.

www.elevenforum.com

BSOD - Posting Instructions

BSOD - Posting Instructions This will show you how to help provide needed information about your system and dump files. It will not contain any personal or sensitive information about you or your data. To get better help with your Windows BSOD issue, please read these instructions and follow...
www.elevenforum.com www.elevenforum.com
 

My Computers My Computers

System One System Two

  • At a glance

    All Branches but ReleaseAMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 232 GB DDR5Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB...
    OS
    All Branches but Release
    Computer type
    Laptop
    Manufacturer/Model
    Acer Nitro ANV15-51
    CPU
    AMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 2
    Motherboard
    Sportage_RBH
    Memory
    32 GB DDR5
    Graphics Card(s)
    Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB GDDR6
    Sound Card
    AMD/Realtek(R) Audio
    Monitor(s) Displays
    Integrated Monitor (15.3"vis)
    Screen Resolution
    FHD 1920X1080 16:9 144Hz
    Hard Drives
    KINGSTON OM8SEP4512Q-AA 1TB
    Western Digital 256GB
    PSU
    19V DC 6.32 A 120 W
    Cooling
    Dual Fans
    Mouse
    MS Bluetooth
    Internet Speed
    Fiber 1GB Cox -us & 1GB Orange-fr
    Browser
    Edge Canary- Firefox Nightly-Chrome Dev-Chrome Dev
    Antivirus
    Windows Defender

  • At a glance

    Windows 11 BetaAMD A9-94208 GB of DDR4AMD Radeon R5
    Operating System
    Windows 11 Beta
    Computer type
    Laptop
    Manufacturer/Model
    Asus X751BP
    CPU
    AMD A9-9420
    Memory
    8 GB of DDR4
    Graphics card(s)
    AMD Radeon R5
    Screen Resolution
    1600x900
    Hard Drives
    Seagate 1 TB
Hi. Thanks for answers.

All drivers are up to date

Did the DISM /Online /Cleanup-Image /RestoreHealth and sfc /scannow. With these results: Windows Resource Protection did not find any integrity violations.

Here are detailed info about whea errors from event viever
There are 19 errors. When talking with chagtpt he noticed that they all pretty much the same ( MCABank 5 and 0xbea0000001000108)
Code: 
- <Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
- <System>
  <Provider Name="Microsoft-Windows-WHEA-Logger" Guid="{c26c4f3c-3f66-4e99-8f8a-39405cfed220}" />
  <EventID>18</EventID>
  <Version>0</Version>
  <Level>2</Level>
  <Task>0</Task>
  <Opcode>0</Opcode>
  <Keywords>0x8000000000000000</Keywords>
  <TimeCreated SystemTime="2026-07-05T18:11:19.2510331Z" />
  <EventRecordID>25739</EventRecordID>
  <Correlation ActivityID="{4d217fbb-3a10-4741-aac3-3402a57b50bf}" />
  <Execution ProcessID="2372" ThreadID="4240" />
  <Channel>System</Channel>
  <Computer>Arekpc</Computer>
  <Security UserID="S-1-5-19" />
  </System>
- <EventData>
  <Data Name="ErrorSource">3</Data>
  <Data Name="ApicId">0</Data>
  <Data Name="MCABank">5</Data>
  <Data Name="MciStat">0xbea0000000000108</Data>
  <Data Name="MciAddr">0x6dc2ccfe</Data>
  <Data Name="MciMisc">0xd0130fff00000000</Data>
  <Data Name="ErrorType">9</Data>
  <Data Name="TransactionType">2</Data>
  <Data Name="Participation">256</Data>
  <Data Name="RequestType">0</Data>
  <Data Name="MemorIO">256</Data>
  <Data Name="MemHierarchyLvl">0</Data>
  <Data Name="Timeout">256</Data>
  <Data Name="OperationType">256</Data>
  <Data Name="Channel">256</Data>
  <Data Name="Length">2063</Data>
  <Data Name="RawData">435045521002FFFFFFFF040001000000020000000F0800000C0B120005071A140000000000000000000000000000000000000000000000000000000000000000BDC407CF89B7184EB3C41F732CB57131FE6FF5E89C91C54CBA8865ABE14913BB83F9F5A7A90CDD01020000000000000000000000000000000000000000000000A0010000C00000000003000001000000ADCC7698B447DB4BB65E16F193C4F3DB0000000000000000000000000000000001000000000000000000000000000000000000000000000060020000E00000000003000000000000B0A03EDC44A19747B95B53FA242B6E1D0000000000000000000000000000000001000000000000000000000000000000000000000000000040030000A80400000003000000000000011D1E8AF94257459C33565E5CC3F7E800000000000000000000000000000000010000000000000000000000000000000000000000000000E8070000270000000003000000000000A13248C3C302524CA9F19F1D5D7723FC000000000000000000000000000000000300000000000000000000000000000000000000000000007F010000000000000002010000000000120FA2000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007010000000000000000000000000000120FA200000810000B32F87EFFFB8B170000000000000000000000000000000000000000000000000000000000000000F50157A5EFE3DE43AC72249B573FAD2C03000000000000009F00020600000000FECCC26D000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000001000800800100000000000000000000000000000000000000000000000000000400000002000000832F7EA9A90CDD01000000000000000000000000000000000000000005000000080100000000A0BEFECCC26D0000000000000000FF0F13D00A0000000000000000000000B00005000000004D00000000F9010000030000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003B00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010000000000000000000000FF00000000000000000000000000000000000000000000000000</Data>
  </EventData>
  </Event>
Also here is a link to v2 log collector results:
Code: 
https://drive.google.com/file/d/1UfAxWs9AkEMbmBTgM4yoA1VaKndfJ9yM/view?usp=drive_link
 

My Computer My Computer

At a glance

windows 11AMD Ryzen 7 5700X 8 Cores / 16 Threads16 GB (2×8 GB) Kingston Fury Beast Model: KF3...PowerColor Radeon RX 6600 XT Fighter 8GB
OS
windows 11
Computer type
PC/Desktop
CPU
AMD Ryzen 7 5700X 8 Cores / 16 Threads
Motherboard
ASUS PRIME B550M-A
Memory
16 GB (2×8 GB) Kingston Fury Beast Model: KF3600C17D4/8GX
Graphics Card(s)
PowerColor Radeon RX 6600 XT Fighter 8GB
Hard Drives
WD Green SN350 1TB NVMe Crucial MX300 275GB SATA SSD WD Blue 1TB HDD
PSU
Cooler Master MWE Gold V2 750W Fully Modular
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