Windows 10: 0xC1900101 - 0x40021 Error while upgrading Windows 11

Discus and support 0xC1900101 - 0x40021 Error while upgrading Windows 11 in Windows 10 Gaming to solve the problem; While i upgrading to Windows 11, its just gave me an blue screen of death and there was typing"IRQL_NOT_LESS_OR_EQUAL" errorAnd it restarted my pc with... Discussion in 'Windows 10 Gaming' started by MetinÇakır2, Jul 4, 2023.

  1. METINÇAKıR2
    MetinÇakır2 Win User

    0xC1900101 - 0x40021 Error while upgrading Windows 11


    While i upgrading to Windows 11, its just gave me an blue screen of death and there was typing"IRQL_NOT_LESS_OR_EQUAL" errorAnd it restarted my pc with Windows 10, there was an error

    :)
     
    MetinÇakır2, Jul 4, 2023
    #1
  2. ADRIANRONDON
    adrianrondon Win User

    error 0xC1900101 - 0x40021

    • 0xC1900101 - 0x40021 the installation failed in the SECOND_BOOT phase during SYSPREP_RESPECIALIZE operation.
    • I dont know how to solve this, and I wasn't able to find a solution. Im upgrading from windows 7


    0xC1900101 - 0x40021 Error while upgrading Windows 11 [​IMG]
     
    adrianrondon, Jul 4, 2023
    #2
  3. REKEES
    Rekees Win User
    We couldn't install Windows 10: Error 0xC1900101 - 0x40021

    Thanks for all that info. *Thumbs Using it, I tried to find a solution to the 0xC1900101 - 0x40021 error but was unsuccessful. I'm going to take your advice and wait for Microsoft to get its act together before attempting another 2004 upgrade.
     
    Rekees, Jul 4, 2023
    #3
  4. BOB100
    bob100 Win User

    0xC1900101 - 0x40021 Error while upgrading Windows 11

    Windows 10 Pro 1909 upgrade to 2004 or 20H2 freezes at 48% 0xC1900101

    Hi, I've had a look through that previously and read a lot of articles online whom always suggest I need to remove any peripherals or anything connected to my computer. The thing is I am using a laptop and I have no other equipment attached to it.

    Also all my drivers are up to date and Windows 10 Update is fully up to date and I have tried installing from clean boot but it still freezes at 48%

    The error message I have suggests that a device driver has stopped responding to the setup as per the below link
    https://docs.microsoft.com/en-us/win...res#0xc1900101

    How do I find out which driver this is?
     
    bob100, Jul 4, 2023
    #4
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0xC1900101 - 0x40021 Error while upgrading Windows 11

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