Windows 10: Error 0xc1420121 when trying to update to 1903

Discus and support Error 0xc1420121 when trying to update to 1903 in Windows 10 Installation and Upgrade to solve the problem; As the the title said, I am having problems with the 1903 update. support has said wait till the update appears in Windows Update. Still has the... Discussion in 'Windows 10 Installation and Upgrade' started by Lach12646, Jul 29, 2019.

  1. LACH12646
    Lach12646 Win User

    Error 0xc1420121 when trying to update to 1903


    As the the title said, I am having problems with the 1903 update. support has said wait till the update appears in Windows Update. Still has the 0xc1420121 error.

    :)
     
    Lach12646, Jul 29, 2019
    #1
  2. KENTH JOSHUA ESPINA
    Kenth Joshua Espina Win User

    Windows 10 Insider Preview Update then got Installing Error 0xc1420121

    I joined windows 10 Insider preview. I completely downloaded the update but Im having a problem after installing at 76%. This is the error occurs: Windows 10 Insider Preview 10.0.18362.30 (19h1_release) amd64 2019-04 - Error 0xc1420121

    -Current Installed-

    Edition: Windows 10 Pro

    Version: 1903

    Installed On: 3/11/2019

    OS Build: 18353.1

    Insider Settings:

    Slow

    Please help me to fix the error. Thanks.
     
    Kenth Joshua Espina, Jul 29, 2019
    #2
  3. FRANKS
    FrankS Win User
    Feature update error


    Hi
    In attempting to update to version 1903 there is an error:
    'Feature update to Windows 10, version 1903 -Error 0xc1420121'
    It has also downloaded the file: Windows10Upgrade9252.exe
    Does anyone have any ideas?
     
    FrankS, Jul 29, 2019
    #3
  4. DAVIDSHENKER
    DavidShenker Win User

    Error 0xc1420121 when trying to update to 1903

    Windows 10 Update to ver 1903 fails

    Windows 10 update to version 1903 fails with error code 0xc1420121 and 0x8024000b.

    PC is a Dell XPS13.

    Can anyone help, I have tried to install from version 1809 about 10 times.
     
    DavidShenker, Jul 29, 2019
    #4
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Error 0xc1420121 when trying to update to 1903

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