Windows 10: Install error 0xc1900201 when trying to upgrade to Windows 11 24H2

Discus and support Install error 0xc1900201 when trying to upgrade to Windows 11 24H2 in Windows 10 Gaming to solve the problem; Hi there, we have a user getting this error when trying to upgrade to Windows 11 24H2 see attachedI've seen some other threads on this issue and using... Discussion in 'Windows 10 Gaming' started by Steve Johnson_UoB, Apr 30, 2025 at 11:57 AM.

  1. STEVE JOHNSON_UOB
    Steve Johnson_UoB Win User

    Install error 0xc1900201 when trying to upgrade to Windows 11 24H2


    Hi there, we have a user getting this error when trying to upgrade to Windows 11 24H2 see attachedI've seen some other threads on this issue and using some cmd scripts has done the trick to increase space in the EFI partition:Windows 11 Update 24H2 isn't working, error code 0xc1900201 - Microsoft CommunityHow to fix this issue "Install error - 0xc1900201" - Microsoft CommunityThe device model is a Dell OptiPlex SFF Plus 7010 desktop PCAny chance someone can provide some scripts to use to empty this? I've got the user to run this successfully:mountvol Y: /s cd /d Y:\EFI\Microsoft\Boot\

    :)
     
    Steve Johnson_UoB, Apr 30, 2025 at 11:57 AM
    #1
  2. HEATSTROKE
    Heatstroke Win User

    1709 Error 0Xc1900201

    Mike,

    I followed the YouTube tutorial. As I said previously the very first step failed. I continued following the tutorial to the end. The Powershell step - WUAUCLT.EXE /UPDATENOW did not function as in the tutorial. After going through all the steps I reran the Windows 10 Update Assistant. I ended up in the exact same place as before. "Something went wrong" error code 0xc1900201.

    Any other advice?

    Thanks,

    Heat
     
    Heatstroke, Apr 30, 2025 at 12:05 PM
    #2
  3. SOMEONE888
    someone888 Win User
    Windows 11, version 24H2 install error

    Trying to download and install Windows 11, version 24H2 from windows update give error code:

    0x80246019

    What can I do? Thanks.
     
    someone888, Apr 30, 2025 at 12:05 PM
    #3
  4. MIKEMECANIC
    MikeMecanic Win User

    Install error 0xc1900201 when trying to upgrade to Windows 11 24H2

    MikeMecanic, Apr 30, 2025 at 12:05 PM
    #4
Thema:

Install error 0xc1900201 when trying to upgrade to Windows 11 24H2

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