Explorer.exe crash loop, combase / OneDrive

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  1. Posts : 7
    Windows 10 Pro 14393.953
       08 Apr 2017 #1

    Explorer.exe crash loop, combase / OneDrive


    Hi,

    I know this isn't a BSOD, but I definitely need y'all's dump analysis skills on this problem. I'm posting this on behalf of my twin while I troubleshoot and try to fix this issue for him. I've come to a standstill now and can't proceed - I'm not sure what the source of the problem is. The problem was described to me as the computer 'flickering', but I've determined through logs that, since April 3, explorer.exe has been stuck crashing and restarting a couple of times a second. taskkill /im explorer.exe does successfully prevent explorer from turning back on, which allows me to troubleshoot on the computer without focus being continually lost while typing etc.

    I've browsed the event logs and analyzed a full dump of the crash. The closest thing I can guess is that it's related to OneDrive and its FileSyncShell64 library. He's getting an invalid pointer read error when explorer loads the library. Attached is a copy of the event logs, the crash dump, and the msinfo32 NFO file. I ran the DM log collector on his computer, but no files were created, so I generated the NFO manually in case it helps.

    Potential relevant information:
    • sfc /scannow crashes (at 37% if that means anything to you) on any run.
    • Explorer.exe does not crash on other users (e.g. his separate Administrator account)
    • As long as explorer has been killed, he can use the computer mostly as normal (no file browsers, start bar, or related hotkeys, but everything else is clear as expected)


    Please let me know if there's anything else I can provide to help. I'm honestly clueless on where to go from here.


    Event log files:
    Selected Events.evtx - Google Drive

    Explorer.exe crash dump:
    explorer.exe.12560.zip - Google Drive

    MSInfo32 NFO:
    MSINFO32.NFO - Google Drive
      My ComputerSystem Spec

  2.    09 Apr 2017 #2

    It could be that his registry is corrupted.
    What you could do is trying to repair the registry with p.ex. CCcleaner.
    Advice: Always first make a backup of the registry when asked by the tool.
      My ComputerSystem Spec


  3. Posts : 7
    Windows 10 Pro 14393.953
    Thread Starter
       09 Apr 2017 #3

    Ah yeah. My twin had set that up earlier and checked it out, so I hadn't thought to try it. Just in case, I ran it today and made sure the registry is good. The problem still persists.
      My ComputerSystem Spec

  4. axe0's Avatar
    Posts : 13,781
    Windows 10 Pro
       15 Apr 2017 #4

    The dump isn't very useful for me, I don't have the right symbols for debugging.

    Run this command in an admin command prompt and upload the eventlog.txt that it creates, more event logs would be helpful to identify what happens.
    Code:
    wevtutil qe System /f:text > "%USERPROFILE%\Desktop\eventlog.txt"
    See if this command runs succesfully
    Code:
    dism /online /cleanup-image /restorehealth
    Do you have an ISO of the Win10 version in case DISM also fails?
      My ComputersSystem Spec


  5. Posts : 7
    Windows 10 Pro 14393.953
    Thread Starter
       21 Apr 2017 #5

    Ugh, my apologies, I fell sick the night of posting in the thread and have been swamped between health, school, and work ever since then. I've got the information, but the short answer is that dism failed, and I'm getting an image of Win10 over to him. I'll post the event logs as soon as I'm able.
      My ComputerSystem Spec

  6. axe0's Avatar
    Posts : 13,781
    Windows 10 Pro
       21 Apr 2017 #6

    Alright, hope you get better soon
      My ComputersSystem Spec


  7. Posts : 7
    Windows 10 Pro 14393.953
    Thread Starter
       01 May 2017 #7

    Here we go. https://drive.google.com/a/techfocus...ew?usp=sharing Contained is a log of the commandline for the DISM command, the event log, and the log file produced by DISM. Creating an image of Win10 on his machine has been failing, so I'm sending him a thumb drive with Win10 that I've created instead.
      My ComputerSystem Spec

  8. axe0's Avatar
    Posts : 13,781
    Windows 10 Pro
       01 May 2017 #8
      My ComputersSystem Spec


  9. Posts : 7
    Windows 10 Pro 14393.953
    Thread Starter
       02 May 2017 #9

    No luck.
      My ComputerSystem Spec

  10. axe0's Avatar
    Posts : 13,781
    Windows 10 Pro
       05 May 2017 #10

    How is the thumb drive going?
      My ComputersSystem Spec


 
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