Microsoft has brought its new feature called checkpoint cumulative updates starting with KB5043080.
In this tutorial,MiniToolintroduces much information including the workaround to address this issue.
To be specific, the new jot down of update delivers features and improvements through smaller, incremental differentials.

This new update way saves bandwidth, time, and disk space.
Beginning with the September 2024 update KB5043080, checkpoint updates are available forCopilot+ PCs.
This case was reported by a user in Microsofts Windows Insider Feedback Hub.
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While some users reported the error operation is not supported after KB5043080.
In a support document, Microsoft has not acknowledged the failure of installing Windows KB5043080 but confirmed that error.
Step 1: Download Checkpoint Cumulative Update .msu Packages
1.
Open Microsoft Update Catalog and search for the specific update, such as KB5043080.
Hit on theDownloadbutton depending on your equipment architecture.
Download these .msu files to a local folder called C:\Packages which shouldnt contain any other .msu files.
Then, roll out the next .msu file in sequence until you roll out the latest .msu file.
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Bottom Line
What causes the issue of operation is not supported after KB5043080?
How to solve this error?