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  1.    06 Oct 2017 #1
    Join Date : Oct 2017
    Posts : 16
    Microsoft Windows 10 Home 64-bit 15063 Multiprocessor Free

    Memory Corruption


    I've come to my computer several times in the last few months to find that it has restarted. Looking in event viewer I see that it wasn't expected. Each time I've found an error similar to the following: The computer has rebooted from a bugcheck. The bugcheck was: 0x000000c4 (0x0000000000002000, 0xfffff809d5d1a25c, 0x0000000000000000, 0x00000000444c534b). A dump was saved in: C:\WINDOWS\MEMORY.DMP. Report Id: aa106d5a-835b-4562-9cf4-cd372ad95fd2.

    When I look at the dmp files it seems to be pointing to memory corruption. I've run the built in Windows memory diagnostic as well as memtest86. Neither of those found any errors. I'm attaching the zip generated by the tool from the posting instructions. I noticed that it didn't grab the memory.dmp, but it is too large to add to the zip, so I'm unsure of how to upload it. I don't know if that will provide any additional information or not. Any insight on this is greatly appreciated.

    FAMILY-PC-Thu_10_05_2017_235106_42.zip
      My ComputerSystem Spec
  2.    06 Oct 2017 #2
    Join Date : Nov 2015
    Posts : 2,876
    64bit Win 10 Pro ver 1709 Build 16299.64

    Hello travisc,

    The c4 error indicates that you are using Driver Verifier. This should not be running under normal circumstances unless you deliberately activated it. Then you would run it for no more than 48 hours during which time it will identify if you have any problem drivers on your system and the BSOD events will show you which ones. In your case it is pointing to MpKslf7900685.sys but as this is a Microsoft temporary driver I doubt if it is connected to your problem.

    If you want to run a memory test we recommend memtest86+ but must insist that it is run for 8 passes or more. Did you do this? If not please repeat the test and post a photo of the result so that we can see the parameters that were recorded.
      My ComputersSystem Spec
  3.    06 Oct 2017 #3
    Join Date : Oct 2017
    Posts : 16
    Microsoft Windows 10 Home 64-bit 15063 Multiprocessor Free
    Thread Starter

    Thanks for the response. No, I didn't run it for 8 passes, just 1. When you say post a photo, I'm guessing that you want me to take a picture with my phone or something, right? There isn't a way to get the output through memtest itself, is there? Also, I ran memtest86, not memtest86+ is there much of a difference, should I be running the + version?

    I did turn on driver verifier the last time it crashed, although I thought I had reset that already, I must not have. Since it is about 2 weeks in between each crash, I guess running that for only 48 hours won't help anyway, so I'll get that reset.

    I'll try to run the mem test over night tonight, hopefully that will make it through the 8 passes.
      My ComputerSystem Spec
  4.    06 Oct 2017 #4
    Join Date : Nov 2015
    Posts : 2,876
    64bit Win 10 Pro ver 1709 Build 16299.64

    Yes, a photo of the screen is best since the test does not provide a text report. Here are the details of what we normally request:


    Memory Corruption Diagnostic Test Memory Corruption
     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.


    Make a photo of the result and post it.

    Addition:
    If errors show up you can stop the test, remove all sticks but 1 and test this single stick in each slot for 8 passes or until errors show, switch sticks and repeat.
      My ComputersSystem Spec
  5.    06 Oct 2017 #5
    Join Date : Oct 2017
    Posts : 16
    Microsoft Windows 10 Home 64-bit 15063 Multiprocessor Free
    Thread Starter

    I followed the directions to make a bootable USB key. However, when I boot from it, I get a message that says Missing Operating System. It then just boots from my normal drive. Is this supposed to work with Windows 10? Should I be using memtest86 (without the plus) instead? That is what I ran last night and it worked.
      My ComputerSystem Spec
  6.    06 Oct 2017 #6
    Join Date : Oct 2017
    Posts : 16
    Microsoft Windows 10 Home 64-bit 15063 Multiprocessor Free
    Thread Starter

    I found a thread where somebody said they just tried a different thumb drive. So I gave that a shot and it booted. Not sure what was wrong with the first one, but everything is running now. We'll see what the results are in the morning.
      My ComputerSystem Spec
  7.    07 Oct 2017 #7
    Join Date : Apr 2017
    Posts : 8,903
    windows 10 professional version 1607 build 14393.969 64 bit

    After the Memtest86+ version 5.01 testing for 8 or more passes please use a camera or smart phone camera to post an image into the thread.

    Then run HDTune ane each drive:
    http://www.hdtune.com/
    to check the health,
    scan for errors, no quick scan but full scan
    run a benchmark.


    It may take some time, but please take the time you need to perform it properly.
    When above is done please make screenshots of the following
    the health,
    the error scan,
    the benchmark incl. following
    transfer rate,
    access time,
    burst rate,
    cpu usage.
    Take Screenshot in Windows 10 General Tips Tutorials



    For each drive please post 3 images into the thread: health, full error scan, and benchmark

    Open administrative command prompt and type: chkdsk /x /f /r
    Run chkdsk /x /f /r on each drive.
    Using the information in this link please post the eventvwr results into the thread for each drive:
    Read Chkdsk Log in Event Viewer in Windows 10 Performance Maintenance Tutorials
    Last edited by zbook; 07 Oct 2017 at 02:33.
      My ComputerSystem Spec
  8.    07 Oct 2017 #8
    Join Date : Oct 2017
    Posts : 16
    Microsoft Windows 10 Home 64-bit 15063 Multiprocessor Free
    Thread Starter

    It finally finished. It made it through 8 passes without any errors. I'll start doing the checks on the hard drives later tonight. My kids need to get some homework done now that the computer is available.

    Click image for larger version. 

Name:	IMG_1494 (1).jpg 
Views:	13 
Size:	133.8 KB 
ID:	156991
      My ComputerSystem Spec
  9.    08 Oct 2017 #9
    Join Date : Oct 2017
    Posts : 16
    Microsoft Windows 10 Home 64-bit 15063 Multiprocessor Free
    Thread Starter

    Here are the results from the drive my OS is installed on. I'm working on the rest of the drives, but I have a question. hdtune only reports the drives as 2199G, but the rest of my drives are larger than that. I have an internal 3TB drive, and then two 4TB drives that are in a drive bay connected to my computer over USB. Will that mess things up that it only thinks they are 2199G?

    Here are the results from hdtune:
    Click image for larger version. 

Name:	HDTune_Benchmark_________SSD2SC480G1CS175.png 
Views:	12 
Size:	22.0 KB 
ID:	157100Click image for larger version. 

Name:	HDTune_Error_Scan_________SSD2SC480G1CS175.png 
Views:	12 
Size:	15.6 KB 
ID:	157101Click image for larger version. 

Name:	HDTune_Health_________SSD2SC480G1CS175.png 
Views:	12 
Size:	29.3 KB 
ID:	157102Click image for larger version. 

Name:	HDTune_Health_________SSD2SC480G1CS175_2.png 
Views:	12 
Size:	28.2 KB 
ID:	157103
      My ComputerSystem Spec
  10.    08 Oct 2017 #10
    Join Date : Oct 2017
    Posts : 16
    Microsoft Windows 10 Home 64-bit 15063 Multiprocessor Free
    Thread Starter

    Here are the results from chkdsk:

    Click image for larger version. 

Name:	chkdsk_1.PNG 
Views:	1 
Size:	34.8 KB 
ID:	157104Click image for larger version. 

Name:	chkdsk_2.PNG 
Views:	1 
Size:	32.4 KB 
ID:	157105
      My ComputerSystem Spec

 
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