Windows update assistant completes but update fails after reboot

  1. Posts : 15
    Windows 10 Home 64-bit 1903

    Windows update assistant completes but update fails after reboot

    I'm running build 1903 and I have been trying to update for over 4 months now (can only try and update once maybe twice a month because I have very low monthly data limits).

    I have gone through windows update which installs the normal updates fine but the feature update always fails. After 2 months of trying this I installed the windows update assistant which downloads the files for 20H2 and completes the process but after it goes through a reboot to finish off it asks me to choose a keyboard layout and goes to this screen. I pick continue because I'm not sure what to do at that point.

    I should mention that for some reason the update assistant uses my second drive (D) to store the Windows10Upgrade folder instead of my C drive even though I have 68GB of free space on it. I also have full drive encryption (using Veracrypt) on the SSD that windows is installed on but D is not encrypted. On the boot priority list VeraCrypt is first in line so I can input the password for the ssd.​

    This is what I have done so far:
    Windows update troubleshooter (found and then fixed something)
    Ran sfc/scannow and dism-restore health (no issues here)
    Completely uninstalled Avira anti virus
    Updated BIOS
    Used dism /online /get-drivers /format:table > %userprofile%\downloads\drivers.txt and got these results

    I downloaded and ran SeupDiag and these are the results:
    Matching Profile found: FindRollbackFailure - 3A43C9B5-05B3-4F7C-A955-88F991BB5A48
    SetupDiag version:
    System Information:
    Machine Name = DESKTOP-I6I1NRS
    Manufacturer = ASUSTeK COMPUTER INC.
    Model = GL503VM
    HostOSArchitecture = 2057
    FirmwareType = UEFI
    BiosReleaseDate = 20200716000000.000000+000
    BiosVendor = GL503VM.316
    BiosVersion = GL503VM.316
    HostOSVersion = 10.0.18362
    HostOSBuildString = 18362.1.amd64fre.19h1_release.190318-1202
    TargetOSBuildString = 10.0.19041.621 (vb_release_svc_prod1.201014-1758)
    HostOSLanguageId =
    HostOSEdition = Core
    RegisteredAV = Windows Defender
    FilterDrivers = FileInfo
    UpgradeStartTime = 13/12/2020 13:44:08
    UpgradeEndTime = 13/12/2020 14:06:24
    UpgradeElapsedTime = 00:22:16
    CV = 9RytLXT4q0qAVVNU
    ReportId = dfc9c4bc-1149-4668-93e7-06b3a181ff39

    Error: SetupDiag reports rollback failure found.
    Last Phase = Finalize
    Last Operation = Remove System Restore checkpoints
    Error = 0xC1900101-0x20017
    Refer to "" for error information.

    Last Setup Phase:
    Phase Name: Finalize
    Phase Started: 13/12/2020 14:06:11
    Phase Ended: 13/12/2020 14:06:18
    Phase Time Delta: 00:00:07
    Completed Successfully? True

    Last Setup Operation:
    Operation Name: Remove System Restore checkpoints
    Operation Started: 13/12/2020 14:06:17
    Operation Ended: 13/12/2020 14:06:18
    Operation Time Delta: 0:00:00:01.0000000
    Completed Successfully? True​

    Not sure what is happening but I really would like to solve this without a clean install so some help would be really great. Thanks!
      My Computer

  2. Matthew Wai's Avatar
    Posts : 6,230
    Windows 10 Home 20H2

    Download Windows 10 ISO File
    Mount the ISO file and run "setup.exe".
      My Computer


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