KB4343909 (OS Build 17134.228) failure = crashed MBR


  1. Posts : 2
    Windows 10
       #1

    KB4343909 (OS Build 17134.228) failure = crashed MBR


    Setup:
    HP Compaq 8200 Elite Convertible minitower
    Intel(R) Core (TM) i5-2500 CPU @3.30GHz
    16gb RAM
    64-bit windows 10 pro

    Problem:
    Windows 10 automatic updates have been trying to install update "2018-08 Cumulative Update for Windows 10 Version 1803 for x64-based Systems (KB4343909)". Once the pc restarts it begins to install it. after 20-40 minutes the update fails and attempts to restore the save point. at which point the restore will fail causing the pc to restart and enter a nice Blue screen screen with a frowny face and a barcode. Then it will restart.
    Normally these updates install at 6pm once I am gone for the day. So these restarts will occur all night long till I return in the morning. At which point the screen is black with a white line blinking.

    Fixing the PC after a crash:
    Attempts at a system restore fails. The only thing that works is repairing the MBR using a windows 10 installer disk. I ran across an old post that, following the directions correctly, would fix the MBR and let the pc boot back into normal state. https://answers.microsoft.com/en-us/...c-81e572d546df Here is the link for that

    At this point I have the updates stalled. I tried installing it from Microsoft directly without the use of windows 10 update to which it did not work.

    Please help
      My Computer

  2. Caledon Ken's Avatar
    Posts : 24,275
    Windows 10 Pro x64 Version 2004
       #2

    Hi psllaw3601. Welcome to the TenForums @psllaw3601

    When I follow that article it talks about rebuilding the EFI partition, if this is the case you actually aren't booting with MBR (legacy) you are booting UEFI

    In any event you are getting your machine back and that is all that counts. I would like to recommend you look at Macrium Reflect.

    Really nice tool to restore your system should something really head south.

    Backup and Restore with Macrium Reflect

    You do need to create the boot media and test it.

    On to the issue at hand. I think I would run the Update trouble shooter.

    https://support.microsoft.com/en-us/...-update-errors

    If you are using a third party AV I would uninstall until you get through this. As well disconnect non-essential devices.

    If this doesn't get you past the issue I would do an inpace repair / upgrade. As you are on 1803 and assuming you do this today the MCT tool will give you 1803 boot media. If you have your own 1803 boot media you can use that. It is a non destructive process, keeps apps and data, but I always recommend a full backup of your data.

    Repair Install Windows 10 with an In-place Upgrade


    Ken
      My Computer


  3. Posts : 2
    Windows 10
    Thread Starter
       #3

    Caledon Ken said:
    Hi psllaw3601. Welcome to the TenForums @psllaw3601

    When I follow that article it talks about rebuilding the EFI partition, if this is the case you actually aren't booting with MBR (legacy) you are booting UEFI

    In any event you are getting your machine back and that is all that counts. I would like to recommend you look at Macrium Reflect.

    Really nice tool to restore your system should something really head south.

    Backup and Restore with Macrium Reflect

    You do need to create the boot media and test it.

    On to the issue at hand. I think I would run the Update trouble shooter.

    https://support.microsoft.com/en-us/...-update-errors

    If you are using a third party AV I would uninstall until you get through this. As well disconnect non-essential devices.

    If this doesn't get you past the issue I would do an inpace repair / upgrade. As you are on 1803 and assuming you do this today the MCT tool will give you 1803 boot media. If you have your own 1803 boot media you can use that. It is a non destructive process, keeps apps and data, but I always recommend a full backup of your data.

    Repair Install Windows 10 with an In-place Upgrade


    Ken
    oh yes sorry about that. When it first happened the path for recovery was checking the data was intact on the drive then figuring out why it wouldn't boot which lead me to forums about corrupt MBR. I digress you are right, at least the advice on the page did help to restore the PC.

    I ran the update trouble shooter and detected no known issues at all. It should be noted in one of my other attempts at repair I did download the update straight from Microsoft to see if the issue fixed itself.

    I didn't know/consider a in-place upgrade. I was at my wits end of either reformat and start new or keep up the never ending cycle of pausing updates. Question about this method, are there any downsides? I understand the risks but are their downsides like will I have to reactive all my products aka find all the serials?

    Thank you in advance for your help
      My Computer

  4. Caledon Ken's Avatar
    Posts : 24,275
    Windows 10 Pro x64 Version 2004
       #4

    Actually there are really no downsides to inplace repair / upgrade once you understand what it will do. That is if you go and get whatever the MCT is dishing out then there is a chance you will upgrade when you meant to repair.

    So if you were running 1803 and for the brief window when 1809 was available it would have upgraded the user, no questions asked. Same today, if you were trying to repair a 1709 and used the MCT tool, which is downloading 1803 today, you would get upgraded.

    You will notice that now when you download the MCT tool it tells you the version it is associated with in its name.

    I keep the different MCT tools so I can get the version I need. (at least that is the way it has been working)

    Nothing needs to be reactivated and nothing is deleted. Now saying that this is Windows and Windows doesn't always act the way it should. Therefore I always recommend that people back up their personal data. As an extra step you could always image your existing install with a tool like Macrium.
      My Computer


 

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