Cannot update to 24H2 because of partition error

To everyone that has this problem...

I was able to fix this problem by some very unorthodox methods and I am not sure are necessarily the best way to do what was done. It would be nice if someone with the technical skills to write up a step by step that anyone could follow using software that is available to everyone.

In any case this is the solution in a somewhat abbreviated form:

1: Using a non-windows partition manager, I shrunk the main windows partition to allow about 1GB of unallocated space...

2: I moved the main windows partition so the unallocated space wat to its left (on the partition manager) and therefore accessible to the SRP (System Reserved Partition)...

3: I resized the SRP to include most of the unallocated space that was now available..

After rebooting Windows the update problem no longer existed since the SRP was now large enough for some time to come...

I realize that not presenting the details may be annoying issue but I'm sure this can be done more than one way and it is risky to do in any case and needs to be done using partition manager(s) that you feel comfortable with and by ALL MEANS have complete recoverable backup just in case things go wrong...

Hello, Ramesh! Please, can you help me with solving this problem on Lenovo, I have this dir.txt file

Please run these commands:

Mountvol Y: /s

cd /d Y:\EFI\Lenovo\BIOS
md C:\Lenovo\BIOS
move selfhealing.fd C:\Lenovo\BIOS

Re-run the 24H2 setup now.

Reference:

Error 0xc1900201 When Updating to Windows 11 24H2:

https://www.winhelponline.com/blog/0xc1900201-windows-feature-update/

"we couldn't update the system reserved partition"

The message is certain to refer to the EFI System Partition. See

“We couldn’t update system reserved partition” error installing Windows 10

I personally follow the below steps and it resolve the issue easliy and successfully update windows 11 24H2

The System Reserved Partition (SRP) may be full. The SRP is a small partition on your hard drive that stores boot information for Windows. Some third-party anti-virus and security apps write to the SRP, and can fill it up.

To resolve the "We Couldn't Update the System Reserved Partition" error during the Windows 11 24H2 update, follow these steps:

1. Open Command Prompt as Administrator: Search for cmd, right-click on Command Prompt, and select "Run as administrator".
2. Mount the System Partition: Type mountvol y: /s and press Enter. This will assign the Y: drive letter to the System Partition.
3. Navigate to the Fonts Folder: Switch to the Y drive by typing Y: and pressing Enter. Then, navigate to the Fonts folder with cd EFI\Microsoft\Boot\Fonts.
4. Delete Font Files: Type del *.* and press Enter to delete the font files. Confirm the deletion if prompted. The system may ask you if you are sure to continue, press Y and then Enter to continue.

After completing these steps, try running the update again. This should resolve the issue by freeing up space in the System Reserved Partition.

This solution is based on Microsoft | Support:

https://support.microsoft.com/en-us/topic/-we-couldn-t-update-system-reserved-partition-error-installing-windows-10-46865f3f-37bb-4c51-c69f-07271b6672ac

Please run these commands:

mountvol Y: /s
md C:\Lenovo\BIOS

cd /d Y:\EFI\Lenovo\BIOS
move selfhealing.fd C:\Lenovo\BIOS

Re-run the 24H2 setup now.