Fix Windows Upgrade error 0xa0000400 on Windows 11/10

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While upgrading to whatsoever version of Windows using the Windows Upgrade Banana or Windows Media Cosmos Tool, some people may run into an error code 0xa0000400. It becomes important for a user to keep their computer up to date with all the updates, and imperative that he fix this consequence.

Something went wrong, You tin can contact Microsoft back up for help with this error. Hither is the mistake code 0xa0000400.

There is no detail crusade that has been plant for this issue, but we do have some potential workaround and set up this fault. Nosotros will be discussing them all in this article.

Windows Upgrade error 0xa0000400

We volition be discussing the following fixes to go rid of error 0xa0000400 for Windows eleven/10 Upgrades:

1. Use Disk Cleanup.
2. Get the official ISO files.
3. Turn off the Cyberspace connections at a specific fourth dimension.
4. Get a newer version of Media Creation Tool.
5. Run Windows Update Troubleshooter.

one] Utilize Disk Cleanup

Some remainder junk system files like Enshroud files and driver residual tin cake an upgrade. Hence, I would recommend you to run Disk Cleanup to delete the files and information that is safe to exist removed from your computer. The main files that you demand to remove here should bePrevious Windows Installations.

You lot can as well use third-party software similar CCleaner to clean upwards Organization and Registry junk that might be causing a disharmonize.

2] Get the official ISO files

The best way to upgrade to Windows xi/10 without encountering this error would be to get the official ISO files for Windows 111/0's latest release. And and then you can use this ISO to upgrade to the latest version of Windows 11/10.

3] Turn off the Internet connections at a specific time

This workaround is tricky. What you can do is, when the update is downloaded using the upgrade tool that you are using, you tin can just disconnect the Internet connection.

This is fine because all the files needed would exist already downloaded safely and the tool will now simply exist responsible for installing the newer updates using those files.

4] Go a newer version of Media Creation Tool

You can as well become and use the latest version of the Media Creation Tool and check if that fixes your bug.

five] Run Windows Update Troubleshooter

You can also try to fix this issue past running the Windows Update troubleshooter.

Did these fixes help you?

Ayush has been a Windows enthusiast since the day he got his outset PC with Windows 98SE. He is an active Windows Insider since Twenty-four hours 1 and is at present a Windows Insider MVP. He has been testing pre-release services on his Windows 10 PC, Lumia, and Android devices.

Source: https://www.thewindowsclub.com/windows-10-upgrade-error-0xa0000400

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