Windows 10 update failed to install error 0xca00a000

Windows 10 Update failed to install error 0xca00a000 shows up when either Windows has missed installing one of the cumulative updates or when there is an issue with the driver which is not letting Windows Update move ahead. Many a time when the system files are modified with incorrect permission, this may happen. You will need to fix the trusted installer permission along with resolving the driver issue. Follow these tips to resolve this install error.

Fix Windows error 0xca00a000

Windows error 0xca00a000

1] Run Windows Module Installer

The Windows Module Installer is a built-in Windows OS service.  You have to make sure that it is Started and its Startup type is set to Automatic. You may do it via the Services Manager or by executing the following command in an elevated CMD

SC config trustedinstaller start=auto

Once successfully executed, you should see [SC] ChangeServiceConfig SUCCESS displayed within the Command Prompt console.

See if this helps.

2] Install updates manually

It is possible that your Windows OS has missed installing a particular update, and is failing to go ahead. You can manually install the update by downloading it from the Microsoft Update Catalog website. Also, make sure that you haven’t turned off Windows Update or delayed it.

3] Delete Files from Software Distribution Folder

You can clear the contents of the SoftwareDistribution folder, and let it start from fresh. Files are downloaded in a dedicated folder C:\Windows\SoftwareDistribution. Delete all the files in it after pausing Windows Update Service. Second, try restarting the computer multiple times to see if the update process automatically starts.

4] Hide the Update

You may choose to hide this Update if you wish and prevent it from installing.

5] Run Windows Update Troubleshooter

Run this inbuilt Windows Update troubleshooter to fix most common Update problems on Windows 10.

6] Run Microsoft’s online troubleshooter

You can also fix Windows Update Errors using Microsoft’s online troubleshooter. It will scan your PC for issues, and fix the problems.

7] Contact Microsoft:  – If nothing seems to work, you can always contact Microsoft Support Team by following this link.
Let us know if anything here helped you solve the issue.

Let us know if Windows 10 update failed to install error 0xca00a000 was resolved for you by following these tips.

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Anand Khanse is the Admin of TheWindowsClub.com, a 10-year Microsoft MVP Awardee in Windows (2006-16) & a Windows Insider MVP. Please read the entire post & the comments first, create a System Restore Point before making any changes to your system & be careful about any 3rd-party offers while installing freeware.