Windows 10: Frequent and Random Restarts

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  1.    4 Weeks Ago #1

    Frequent and Random Restarts


    A couple months ago, I got a new HP computer with Windows 10. First thing it did was to update Windows. I did manage to transfer all my files and programs, but practically from day 1, I keep getting the BSOD with one of two messages: critical process died or unexpected store exception. Ocassionally when Windows attempts to restart, I get the message that the boot disk can't be found.I checked everything, including drivers, and ran several scans, including scannow. No problems were found. At first I thought the problem might be that the problem was related to a file that could not be found. I discoved that the file was part of Office 365, which was included on the computer (trial version of course). I had to uninstall and reinstal it to get that file. For a while, that seemed to have fixed the problem. I actually went days without a BSOD, while before reinstalling 365, it was happening numerous times a day.But the BSOD came back. At first it was every couple of days. Now it's back to several times a day. I need my computer for work, so this is a serious problem for me.It doesn't seem to matter what I'm doing or what is open, nor does it matter how long the computer has been on. It can happen after ten minutes or it can happen after several hours. It's just quite random. I did disable the sleep function in the power button, but I really need the hibernate function as I come and go often during the day and really don't want to restart all the time - although since I'm forced to restart thanks to the BSOD and that restart is out of my control, I suppose shutting down each time I leave would be better.In any case, I have read that this is a problem many people are encountering and that it may be due to some Windows update. If that's true, I'd delete that update - if I knew which one it was.Hoping someone can help.
    Frequent and Random Restarts Attached Files
      My System SpecsSystem Spec

  2. philc43's Avatar
    Posts : 2,029
    64bit Win 10 Pro ver 1607 Build 14393.693
       3 Weeks Ago #2

    Hello

    There are several different bugcheck codes the most frequent one is a UNEXPECTED_STORE_EXCEPTION (154) and refers to hard disk errors.

    BugCheck 154, {ffffdb0a42811000, ffffa0806417fff0, 2, 0}

    *** WARNING: Unable to verify checksum for win32k.sys
    Probably caused by : hardware_disk




    Frequent and Random Restarts Diagnostics Test Frequent and Random Restarts
     HDD TEST

    Run HDTune to
    • check the health,
    • scan for errors, no quick scan but full scan
    • run a benchmark.

    It may take some time, but look for signs of any errors or failure.

    You can also run a disk check using chkdsk. Refer to the tutorial for details of how to do this.
      My System SpecsSystem Spec

  3.    3 Weeks Ago #3

    Thank you for your reply. Chkdsk was one of the diagnostics I tried when this problem first started. No disk errors were found. None of the diagnostics I ran showed any problems. And I ran every one that I knew to run. And when given the option, I ran full scans, not quick ones. That's why I ended up here looking for help.

    I read elsewhere that the problem was related to the sleep and hibernate functions in Windows 10 for some people. Some people were able to eliminate the unexpected store exception error by making changes to those functions. That doesn't work for me.

    I'll run HDTune and see what that shows up. Maybe something will show up that didn't show up in chkdsk. It's very weird. I won't be able to run it until tomorrow, though.

    Edit: I just thought of something. I had thought that the missing file from Office 365 was the problem since once I reinstalled it, the file was there and I didn't get a BSOD for a couple of days (as opposed to a couple of times a day). I noticed something going on with my Word program. Generally, when I go to open a file, a list of the files I had opened previously are available. That doesn't happen anymore. The only files that show up in the list are the ones that I just opened. Everything else is gone. Is it possible that this is still an Office/Windows 10 problem? I just wondered because maybe the system is having trouble storing the information. That's just a wild guess. Very wild. But ...
    Last edited by kaityf; 3 Weeks Ago at 19:26. Reason: Additional Information
      My System SpecsSystem Spec

  4.    3 Weeks Ago #4

    I ran HD Tune on my computer - no problems found. I ran the full scan, not the quick scan.

    Error Scan:
    HD Tune: WDC WD10EZEX-60M2NA0 Error Scan
    Scanned data : 953488 MB
    Damaged Blocks : 0.0
    %Elapsed Time : 127:46

    Health Status: Ok.

    Benchmark:
    HD Tune: WDC WD10EZEX-60M2NA0 Benchmark
    Transfer Rate Minimum : 52.0 MB/sec
    Transfer Rate Maximum : 176.3 MB/sec
    Transfer Rate Average : 135.9 MB/sec
    Access Time : 21.1 ms
    Burst Rate : 172.8 MB/sec
    CPU Usage : 13.1%
      My System SpecsSystem Spec

  5. philc43's Avatar
    Posts : 2,029
    64bit Win 10 Pro ver 1607 Build 14393.693
       3 Weeks Ago #5

    OK, we can assume the harddisk itself is not the cause of the errors. One of your more recent BSOD showed the possibility of memory corruption:

    Code:
    BugCheck EF, {ffffcd08d09eb800, 0, 0, 0}
    
    ETW minidump data unavailable
    Probably caused by : memory_corruption
    
    CRITICAL_PROCESS_DIED (ef)
            A critical system process died

    It would be good to run a memory test next.



    Frequent and Random Restarts Diagnostic Test Frequent and Random Restarts
     RAM TEST

    Run MemTest86+ to analyse your RAM. MemTest86+ - Test RAM - Windows 10 Forums

    Note   Note


    MemTest86+ needs to be run for at least 8 complete passes for conclusive results. Set it running before you go to bed and leave it overnight. We're looking for zero errors here. Even a single error will indicate RAM failure.
      My System SpecsSystem Spec

  6.    3 Weeks Ago #6

    Okay. I'll try the memory test, but I'm not hopeful. I don't know that the computer will remain running for that long of a stretch. I'm going to suspect that nothing will be wrong. This is a computer that is just a few months old. And as I said, I've been reading that these BSOD errors are related to Windows 10 updates. I have a couple of those already as that's the first thing the computer did the second it was hooked up to the internet. I've been tempted to uninstall all those updates, but feared I might mess things up even more.

    I'll start the memory test and hope the computer doesn't restart in the middle of it and stays on long enough for me to save any necessary files.
      My System SpecsSystem Spec

  7. philc43's Avatar
    Posts : 2,029
    64bit Win 10 Pro ver 1607 Build 14393.693
       3 Weeks Ago #7

    Troubleshooting these problems is difficult - when there is no clear indication from the analysis we have to be methodical and work through the most likely possibilities gradually eliminating causes until we find the right one. At some point we will find the answer

    The memory test runs from a USB drive so it should not be impacted by W10 or MS Office.
      My System SpecsSystem Spec

  8.    3 Weeks Ago #8

    Thanks, Philc43. Sorry for not responding sooner. I haven't yet done the memory test. I have tons of work to get done -- all on the computer. I know the test can last longer than overnight and I'm afraid I won't get my work done. I'm going to have to wait until I am all caught up on the work. Then if the test takes more than 8 hours, it won't be a problem. It might be a few days. I didn't want people who are helping me to think that I'm ignoring the advice or not appreciating the help.

    The computer was behaving most of the day. Only restarted once! Better than 5 times a day!
      My System SpecsSystem Spec

  9.    3 Weeks Ago #9

    Okay. So I'm ready to do a memory test. That is, I have prepared a USB drive. I plan to run the test on Monday night since it can run as long as it wants to if it's not done when I get up in the morning. However, I'm already stuck on what to do. The instructions for downloading MemTest86 and creating a boot drive with a USB drive are great.

    But then step 11, just says, "With your USB stick inserted, boot into BIOS. Select Boot options and select the bootable USB stick you created. When you exit the BIOS after saving your changes your PC will boot into MemTest86+ and it will start running automatically, you do not have to do anything after selecting the boot device and exiting the BIOS."

    So how do I boot into BIOS? I did a google search, but got more than one answer.
      My System SpecsSystem Spec

  10. philc43's Avatar
    Posts : 2,029
    64bit Win 10 Pro ver 1607 Build 14393.693
       3 Weeks Ago #10

    Hello kaityf,

    Have a look at the user guide for your PC. You might not need to go all the way into the BIOS. I believe you have to press the ESC key immediately after turning on the PC and the BOOT menu should show up where you can select the USB device as the one to boot from.
      My System SpecsSystem Spec


 
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