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How To Fix Error 0xc1900101 When Updating Windows 10

The Windows 10 April update aka Spring Creators Update is now live. You can wait for your system to update via Windows Updates or you can manually download the update to get the Spring Creators Update right away. Not all updates go smoothly and since this is a big feature update you can expect all sorts of things to go wrong. Some users are seeing error 0x800f081e that we’ve got a fix for. Other errors will continue to surface as more and more users update. If you’re getting the error 0xc1900101, there’s a fix for that as well.

To fix error 0xc1900101, you’re going to have to edit the Windows registry and that requires administrative rights. We strongly recommend that you back up the Windows Registry before you try this fix. That’s a given any time you decide to edit the registry but once you get down to the nature of the fix, you’re going to want to have a backup.

Fix Error 0xc1900101

First, you need to remove any additional languages you’ve added to Windows 10. You should have only one language on your system. There’s no restriction as to which language that ought to be but there should only be one. You can remove a language from the Settings app.

Open the app and go to Time & Language. Select the Region & language tab, and select the language you want to remove. Click the Remove button under it. Repeat for all additional languages you have installed.

Backup the Windows Registry.

Open the Windows Registry by typing ‘regedit’ in Windows Search, or use the Run box (Win + R) and type ‘regedit’ to open it. Navigate to the following location.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Provisioning

Delete all keys under the Provisioning key. If this seems too risky to you, read on for an alternative option, If you opted to delete the keys, you can run the update again and it should work. Once the update is complete, the keys will automatically be added back to the registry without you having to do anything.

If you don’t want to delete the keys, you have an alternative option. Find a different system that’s running Windows 10. On that system, go to this location, copy everything there. On your own system, go to this same location and replace the files you copied from the other system.

C:\Windows\Provisioning

Next, return to the other system you have on hand and and open the registry. Export the keys from the following location and install them on your system i.e., the one where you get error 0xc1900101.

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Provisioning

Run the update again and you should have no problems this time around. This fix will work regardless which version of Windows 10 you’re trying to update to.

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