Windows 10: Error 0xc1900101 when updating W10 21H1 from W10 2004

Discus and support Error 0xc1900101 when updating W10 21H1 from W10 2004 in Windows 10 Installation and Upgrade to solve the problem; Since several weeks, I can no longer update W10 due to error 0xc1900101. During the last 4 installation attempts, I see 2 consecutive errors during the... Discussion in 'Windows 10 Installation and Upgrade' started by KarenBeasley1, Oct 10, 2021.

  1. KARENBEASLEY1
    KarenBeasley1 Win User

    Error 0xc1900101 when updating W10 21H1 from W10 2004


    Since several weeks, I can no longer update W10 due to error 0xc1900101. During the last 4 installation attempts, I see 2 consecutive errors during the pre-appearance phase in Event Viewer: Event 7000, Service Control Manager stating: "The WsDrvInst service failed to start due to the following error: The system failed, it can find the specified file. Does anyone have any idea what controller or file might be involved? Unfortunately it's not in the system registry and I don't know where to look elsewhere.

    :)
     
    KarenBeasley1, Oct 10, 2021
    #1
  2. LUCIANO.ROCCHETTI48
    luciano.rocchetti48 Win User

    w10 2004

    Non sono riuscito ad installare w10 2004 : Installazione non riuscita su ‎07/‎06/‎2020 - 0x800704c7 Che fare?
     
    luciano.rocchetti48, Oct 10, 2021
    #2
  3. LARSBERG1
    LarsBerg1 Win User
    Update W10 PRO

    I'm more or less coming to my incompetece level. I bought a Fujisto Esprimo Q556/2 with W7.1 and W10 PRO as an option installed and thought I got a working system. I did not understand that that you more or les need to be a software engineer to get it working.

    I found the error in the thread you pointed me too. There I was directed to error 0xc000021a. First point:

    You need to convert the drive or partition from NTFS to GPT. What is GPT? Which drive are you talking about.? Next step:

    • Turn off the PC, and put in the Windows installation DVD or USB key.
    My machine does not have a CD/DVD and came with W10 preinstalled. What USB key are you talking about ? I'm lost on how to proceed with and how to handle 0xc000021a???

    I also have a problem when I press reply to answer questions, the answer fields are greyed out. Have to try several times before I can answer. Yes I'm logged in..
     
    LarsBerg1, Oct 10, 2021
    #3
  4. NN9DOORS
    nn9doors Win User

    Error 0xc1900101 when updating W10 21H1 from W10 2004

    Updating to 2004 failure due to 0xc1900101 error

    Hello,

    I'm facing consistent issues updating from 1903 to version 2004 facing a 0xc1900101 error after attempted installations.
    I've uninstalled antivirus, updated graphics drivers, and ran sfc /scannow. There is 144 gb free on my install drive.

    Does anybody have any suggestions? I've been trying this update on and off for a few weeks.

    Windows version is 10.0.18362 Build 18362

    Thanks
     
    nn9doors, Oct 10, 2021
    #4
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Error 0xc1900101 when updating W10 21H1 from W10 2004

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