How to resolve repeated failures when installing Windows 11 25H2?

Windows 11 version 25H2 keeps failing to install. I’m not sure where the problem lies. What could be the possible causes and troubleshooting methods?

You may attempt to run the Windows Update Troubleshooter, or execute the following commands via Command Prompt: sfc /scannow and DISM /Online /Cleanup-Image /RestoreHealth.

By installing linux!

Jokes aside, what exactly fails? Is there an error code/message that you can share with us?

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