"We couldn't update the system reserved partition" failure build 1903

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  1. Posts : 26,392
    windows 10 professional version 1607 build 14393.969 64 bit

    Whenever there is an upgrade attempt Windows creates log files so that there are options to troubleshoot the failures.
    These are Panther logs and by default they may be hidden.

    Setupdiag is Microsoft software to check for common upgrade failure blocks.
    Run this software first and post the results using a share link.

    Many companies allow free storage in the cloud.
    If more space is needed you can use another company or pay for additional space.
    Then you can upload very large files to the cloud once and post share links anywhere so you can get help with any problem.

    This is an example using one drive:
    Share OneDrive files and folders - Office Support

    Many of the other share link companies display advertisements or links where viewers may download potentially unwanted software. The three posted earlier have no advertisements making it easy to view files without risk.

    Download and install Everything:

    Launch the application and search for any of these logs:

    PANTHER logs
    Event logs (*.evtx)
      My ComputerSystem Spec

  2.    #12

    Once you boot from the Windows 10 USB flash drive, after you go through the advanced troubleshooting menu to get to the command prompt, the commands should be:

    list disk
    select disk 0 <based on your screenshot, should be 0. Double check the list of disks you get above.
    list part
    select part 1 <again based on your screenshot. Double check the list of partitions above.
    delete part override
    create part pri
    format FS=NTFS quick
    assign letter=t
    list vol <- note which drive letter the Windows partition has here
    bcdboot C:\Windows /s T: /f BIOS <-note change C:\Windows to match the drive letter if Windows is not C:
    cd \boot
    bootsect /NT60 T: /force /mbr <-note there is a space in front of every / option!

    Reboot computer
      My ComputerSystem Spec

  3. Posts : 99
    windows 10 64-bit "home"
    Thread Starter

    Dear NavyLCDR and Zbook,
    A great many thanks for following up my thread with such practical hints and solutions.
    This weekend I am "out of office", so will only be able to try out your suggestions from Monday next on.
    I will then send you, when needed:
    - attachments in English, so that you won't have to struggle with Dutch terminology on the display (I never knew one could at last change the display language in Windows!)
    - complete attachments, so you won't have to divine some half-hidden displayed texts
    - all mentioned checks and logs, which I will then place on Google Drive and for which I will provide the necessary links
    - create a bootable flash drive to all intents and purposes
    - start to check the various possibilities to get out of the update dilemma, certainly with regard to Partition 1 of drive "0"
    Indeed both of you offer similar, albeit somewhat different solutions to my struggles with the 1903 update. By now, we may safely assume that something has to be done with Partition 1/Drive "0", which appears to be the "reserved" partition indeed, in order to get out of the dilemma.
    However, NavyLCDR suggests deleting the partition, then recreating it, which involves the command Diskpart (about which later), whereas Zbook suggests to just delete the files in that partition, because "Windows will automatically reinstall the files after a successful upgrade" (I suppose after a boot with the flash drive); but Zbook also suggest enlarging the partition.
    Just enlarging the partition is difficult at this stage, because the partitions on drive "0" won't budge, whatever I do. Deleting the files seems feasible (after making the contents visible by giving a letter to the partition, which can easily be done via Write Management), but I find this rather scary. And I find deleting the whole partition altogether quite scary, too. However, that mustn't stop me to proceed.

    One more thing:
    NavyLCDR, in the Diskpart routine you sent me yesterday, I see twice "exit" on the list. Since "exit" really... exits the command or powershell window, what is it doing there the first time (just before: bcdboot C:\Windows /s T: /f BIOS)? Please explain. The routine seems important to me because, among other things, it apparently unlocks all protection from the partition. You have provided ample comments on the routine but not for that particular item...

    If I have other questions or encounter snags when getting back on the computer Monday, I will ask them.

    Meanwhile, I wish you both a fine weekend.

      My ComputerSystem Spec

  4.    #14

    The first exit gets you out of diskpart so you can then run standard command line commands such as bcdboot. The second exit gets you out of command prompt.
      My ComputerSystem Spec

  5. Posts : 99
    windows 10 64-bit "home"
    Thread Starter

    Okay, thanks! Aren't you camping yet?!
      My ComputerSystem Spec

  6. Posts : 26,392
    windows 10 professional version 1607 build 14393.969 64 bit

    When available please post the results from the prior posts.
      My ComputerSystem Spec

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