Windows 10: Failed Win 11 upgrades

Discus and support Failed Win 11 upgrades in Windows 10 Software and Apps to solve the problem; I had to reinstall Windows on my computer using a Win 10 USB drive. Now the upgrade to Win 11 repeated fails using the update assistant. The computer... Discussion in 'Windows 10 Software and Apps' started by PABresler, Jun 6, 2025.

  1. PABRESLER
    PABresler Win User

    Failed Win 11 upgrades


    I had to reinstall Windows on my computer using a Win 10 USB drive. Now the upgrade to Win 11 repeated fails using the update assistant. The computer previously was running Win 11 and passes the compatibility test.

    :)
     
    PABresler, Jun 6, 2025
    #1
  2. CSCS3
    cscs3 Win User

    Upgrade Win 10 to Win 11 failed

    Have PC with 4 partition managed by EasyBCD,

    1. Boot partition (500M, active partition)

    2. Win 7 (140G)

    3. Win 10 (120G, my production machine, boot by default)

    4. Win 7 (140G, play partition)

    Recently try to upgrade partition 3 to Win 11. Upgrade steps seem to work smoothly until it reach 100%.

    Then I get message "PC will restart in few moments"

    Then I get "Win11 installation has failed"

    I check the srttraic.txt file and found the folloing:

    "Root cause found: No OS files found on disk

    Repair action: Partition table repair

    Result: Failed error code 0X20"

    However, I seem to have no problem to boot my Win10 without error even the installation has failed.

    Some trouble shooting from my side.

    1. I am able to boot Win 7 or Win 7 (play partition) if I use a disk manager to set these partition to active.

    2. I am not able to do so if I set Win 10 partition as active, I have to set the 500M boot partition and select Win 10 from boot menu.

    3. I boot Win 10 installation disk from USB and try to repair my Win10 partition, but repair failed.

    4. I backup the whole disk, set Win 7 partition as active, I can upgrade this partition from Win 7 to Win 10 and to Win 11.

    5. Si I believe my PC hardware is no problem to support Win 11.

    How can I recover my Win 10 partition without loosing my application so It can be boot without the boot partition?
     
    cscs3, Jun 6, 2025
    #2
  3. DG369
    DG369 Win User
    Upgrade to Win 11

    Trying to upgrade laptop to Win 11. My processor is listed on Microsoft compatibility list as one that will work with Win 11, but the health check says it won't and therefore will not allow upgrade. All other items on list are ticked green. Any advice please?

    Thanks.


    Failed Win 11 upgrades fe1ea70f-a9b3-4059-b4d0-849fc2d3ffb1?upload=true.png
     
    DG369, Jun 6, 2025
    #3
  4. NAAM PHAM
    Naam Pham Win User

    Failed Win 11 upgrades

    Purchased a upgrade win 11 but failed installing

    I purchased a upgrade from win 11 Home to win 11 Pro but it failed to install many time on Microsoft Store. I requested the refund but got denied from microsoft. Could you send me the upgrade product key so that I can upgrade by changing the Activation code?

    .
     
    Naam Pham, Jun 6, 2025
    #4
Thema:

Failed Win 11 upgrades

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