Windows 11 24H2 Failed to Install. How to Reinstall from USB Drive?

Corrupted or stuck Windows Update components can prevent the installation of Windows 11 24H2. Resetting these components often resolves the issue. 

First, run the following commands one by one to stop Windows Update services.

net stop wuauserv
net stop bits
net stop cryptSvc
net stop msiserver

After that, Rename the SoftwareDistribution and Catroot2 folders to clear cached update files.

ren C:\Windows\SoftwareDistribution SoftwareDistribution.old
ren C:\Windows\System32\catroot2 Catroot2.old

Restart the services by running these commands.

net start wuauserv
net start bits
net start cryptSvc
net start msiserver

Restart your computer and try updating again.

In summary, To fix Windows 11 24H2 Failed to install when installing Windows 11:

1. Run the Windows Update Troubleshooter.
2. Reset Windows Update components using Command Prompt.
3. Clear the Windows Update cache.
4. Repair system files using SFC and DISM.
5. Ensure your system meets the hardware requirements and has enough free space.
6. If necessary, manually download the update or perform a clean installation.

If you still encounter issues, let me know, and we can explore further troubleshooting steps!