[W10] Kernel Power 41 - Unexpected instant shutdown

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  1. Posts : 261
    Windows 10 Pro 21H2 (OS Build 19044.1706)
       #1

    [W10] Kernel Power 41 - Unexpected instant shutdown


    Hi.

    For a couple of weeks now my system has been randomly shutting down. The last memtest reported no detected issues. I've tried checking RAM, swapped them, tried only 1, then 2, then 3, 4. Same shutdown result. RAM, CPU, MB, PSU and GPU aren't defective or damaged. I've troubleshooted most of my hardware, including hard disks, SSDs. Though I came across another member reporting the same "KP 41" bugcheck:
    Kernel Power 41 - PC Issues

    [W10] Kernel Power 41 - Unexpected instant shutdown-aida64_pn4y31vkdh.png
    KYLE-PC-(2023-03-21_15-25-21).zip
      My Computer


  2. Posts : 402
    Windows 10 and Windows 11
       #2

    That Kernel Power 41 error is a red herring, IMO it's also badly named by Microsoft. All it tells you is that Windows was not shut down correctly. The name 'kernel power' comes from the fact that the kernel lost power before it had fully shutdown. It's a symptom, not the problem.

    How does the system shut down? Does it just power-off or do you see a shutting down sequence?

    Can you predict when it will shut down? Is it when using specific apps, specific hardware, etc.?
      My Computer


  3. Posts : 16,909
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #3

    There's a similar report in
    Kernel Power 41 - PC Issues - TenForums


    Best of luck,
    Denis
      My Computer


  4. Posts : 261
    Windows 10 Pro 21H2 (OS Build 19044.1706)
    Thread Starter
       #4

    ubuysa said:
    That Kernel Power 41 error is a red herring, IMO it's also badly named by Microsoft. All it tells you is that Windows was not shut down correctly. The name 'kernel power' comes from the fact that the kernel lost power before it had fully shutdown. It's a symptom, not the problem.

    How does the system shut down? Does it just power-off or do you see a shutting down sequence?

    Can you predict when it will shut down? Is it when using specific apps, specific hardware, etc.?
    There is no predictable pattern, its random. I believe I was simply watching Paramount+, it just instantly shut down. No signs of it preparing to shutdown, it just simply shut off as if the CPU overheated, but the only component that is hotter than the rest of the system is the North Bridge at 60C idle. CPU is always between 25-50C idle, GPU 30-40 idle.

    Try3 said:
    There's a similar report in
    Kernel Power 41 - PC Issues - TenForums

    Best of luck,
    Denis
    I had referenced that thread in my OP :P
      My Computer


  5. Posts : 402
    Windows 10 and Windows 11
       #5

    I'm no hardware expert but that sound rather like a PSU issue to me. Can you post your full specs, including the PSU details?
      My Computer


  6. Posts : 261
    Windows 10 Pro 21H2 (OS Build 19044.1706)
    Thread Starter
       #6

    ubuysa said:
    I'm no hardware expert but that sound rather like a PSU issue to me. Can you post your full specs, including the PSU details?
    My full specs are in my "My Computer" details.

    EDIT: I should note that my PSU is a new replacement from my old one, same model.

    [W10] Kernel Power 41 - Unexpected instant shutdown-icue_6rf9a2j1vz.png [W10] Kernel Power 41 - Unexpected instant shutdown-icue_dm9vfacnpl.png [W10] Kernel Power 41 - Unexpected instant shutdown-aida64_pn4y31vkdh.png[W10] Kernel Power 41 - Unexpected instant shutdown-aida64_wi8r4rbizn.png[W10] Kernel Power 41 - Unexpected instant shutdown-aida64_bqqup3hn1c.png[W10] Kernel Power 41 - Unexpected instant shutdown-aida64_dmg0abezuu.png

    - - - Updated - - -

    KYLE-PC-(2023-03-25_04-38-41).zip
      My Computer


  7. Posts : 402
    Windows 10 and Windows 11
       #7

    I'm no hardware expert, but the one dump you uploaded is a WHEA_UNCORRECTABLE_ERROR bugcheck with an exception code indicating a MACHINE_CHECK_EXCEPTION, this generally indicates a hardware error. Sadly, and for reasons that I don't fully understand, I can't display the WHEA error details in the dump.

    I did see in your System log that most (possibly all) of the shutdowns were initiated by the RuntimeBroker, as in this example...
    Code:
    Event[136]:
      Log Name: System
      Source: User32
      Date: 2023-02-24T01:38:32.2100000Z
      Event ID: 1074
      Task: N/A
      Level: Information
      Opcode: N/A
      Keyword: Classic
      User: S-1-5-21-108740023-646742025-2380102382-1001
      User Name: KYLE-PC\kylei
      Computer: KYLE-PC
      Description: 
    The process C:\Windows\System32\RuntimeBroker.exe (KYLE-PC) has initiated the power off of computer KYLE-PC on behalf of user KYLE-PC\kylei for the following reason: Other (Unplanned)
     Reason Code: 0x0
     Shut-down Type: power off
     Comment:
    The RuntimeBroker is the interface between the Universal Apps (the ones from the Microsoft Store) and Windows, it's primarily concerned with ensuring that all the right privacy and permission settings are correct for each app. I don't recall ever having seen the RuntimeBroker initiate a shutdown before, it would suggest that a Universal App is initiating the shutdown (possibly)?

    This happened about two weeks ago you say, so what changed about two weeks ago - especially in the Universal App area?
      My Computer


  8. Posts : 261
    Windows 10 Pro 21H2 (OS Build 19044.1706)
    Thread Starter
       #8

    ubuysa said:
    I'm no hardware expert, but the one dump you uploaded is a WHEA_UNCORRECTABLE_ERROR bugcheck with an exception code indicating a MACHINE_CHECK_EXCEPTION, this generally indicates a hardware error. Sadly, and for reasons that I don't fully understand, I can't display the WHEA error details in the dump.

    I did see in your System log that most (possibly all) of the shutdowns were initiated by the RuntimeBroker, as in this example...
    Code:
    Event[136]:
      Log Name: System
      Source: User32
      Date: 2023-02-24T01:38:32.2100000Z
      Event ID: 1074
      Task: N/A
      Level: Information
      Opcode: N/A
      Keyword: Classic
      User: S-1-5-21-108740023-646742025-2380102382-1001
      User Name: KYLE-PC\kylei
      Computer: KYLE-PC
      Description: 
    The process C:\Windows\System32\RuntimeBroker.exe (KYLE-PC) has initiated the power off of computer KYLE-PC on behalf of user KYLE-PC\kylei for the following reason: Other (Unplanned)
     Reason Code: 0x0
     Shut-down Type: power off
     Comment:
    The RuntimeBroker is the interface between the Universal Apps (the ones from the Microsoft Store) and Windows, it's primarily concerned with ensuring that all the right privacy and permission settings are correct for each app. I don't recall ever having seen the RuntimeBroker initiate a shutdown before, it would suggest that a Universal App is initiating the shutdown (possibly)?

    This happened about two weeks ago you say, so what changed about two weeks ago - especially in the Universal App area?
    I'm as stumped as you are on that area. I do have Pulseway on my PC and my iPhone where I can remote shutdown if I need, but its never shut down my system without my express 'command'.

    The shutdowns occur randomly as I mentioned. I attempted to analyse the dump myself too but didn't get as far as you did.
      My Computer


  9. Posts : 402
    Windows 10 and Windows 11
       #9

    I wasn't aware of Pulseway, but I've looked at their website and seen that it's available as a Windows Store app. This tool has all the characteristics needed to produce the RuntimeBroker.exe shutdowns that are in your log, so I would try disabling or removing this app for a few days/weeks and see whether the unexpected shutdowns cease.
      My Computer


  10. Posts : 261
    Windows 10 Pro 21H2 (OS Build 19044.1706)
    Thread Starter
       #10

    Not a random shutdown this time but a BSOD.

    KYLE-PC-(2023-04-05_03-45-21).zip
      My Computer


 

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