Hi,
I'm Sumit, here to help with your query on the Microsoft Q&A forums.
Apologies for any inconvenience you are experiencing. I am happy to help you today.
This issue is probably because Cortana is not supported by Windows any longer.
Please try installing the latest feature update manually and let us know.
The fastest way to get the upgrade is through the Media creation tool or ISO file. Please download the Media Creation Tool and select "Upgrade this PC now".
https://aka.ms/Windows10 (Click Download Tool now)
Direct link for the Media Creation Tool:
https://go.microsoft.com/fwlink/?LinkId=691209
All steps, including upgrading using the ISO file and Media creation tool, are covered here:
Install Windows 10 version 22H2 manually
https://www.yourwindowsguide.com/2022/10/install-windows-10-version-22h2-offline.html
If the update fails, let us know the error code, and run the Setupdiag tool. Post the outcome of the same. We may need some logs depending on what the result is.
Download Setupdiag
https://go.microsoft.com/fwlink/?linkid=870142
Please keep us posted.
A former Windows Insider MVP writes content on the above blog, so it is safe.
However, do watch out for the ads.