What causes the Windows Update Error 0xc1900401?

There can be multiple reasons behind the Windows Update Error 0xc1900401. But among all, the major ones are listed below. Now that you have a prior piece of knowledge about the reasons causing Windows Update Error 0xc1900401, let’s look at all the solutions to eliminate the problem.

Fix Windows Update Error 0xc1900401

Below is a list of all the effective workarounds you can try to get rid of Windows Update Error 0xc1900401. Let’s take a look at all the solutions in detail.

1] Check the internet connection

Before getting into anything technical, your internet connection is the first thing you should check. If you are connected to a weak or unstable internet connection, you will face problems while downloading the latest Windows updates in different error messages. So, connect your system to a stable and strong internet connection.

2] Run Windows Update Troubleshooter

The next thing you can try is to run the Windows Update troubleshooter. It is one of the best ways to eliminate any minor issue related to Windows Update. To run Windows Update Troubleshooter, follow the below steps. Windows 11 It’ll initiate the Windows Update Troubleshoot process. Windows 10 Once the troubleshooting process is complete, restart your system. Try to download the update and check if the problem persists.

3] Remove unnecessary external devices

As mentioned, unnecessary external devices like Pendrive or hard drive attached to the system can also cause the mentioned error message. Thus, while downloading the update, remove all the unnecessary devices from the system. Check if the problem is fixed or not. If not, try the next solution. See: Fix Windows Update Error Code 0x80244018

4] Enable Windows Update & Windows Update Medic Services

If you have disabled the Windows Update Services by mistake, you will most likely face the error message. You will have to manually turn on the Windows Update Services to solve the problem. You can do so by following the below steps. Now, you will have to repeat the process for Windows Update Medic Services as well. Locate, and open it. Check the Service status. Click on Start if the Service status says Stopped. Restart your PC, and check if the problem continues.

5] Delete SoftwareDistribution folder

The next thing you can do is delete the SoftwareDistribution folder. Here are the exact steps you need to follow. Once the commands are executed, restart your system. Check if the problem is fixed or not. Read: How to fix Windows Update Error Code 0x80242008

6] Run Windows Update in Clean Boot State

Perform Clean Boot, and then manually update Windows and see if that works.

7] Download Update from Microsoft Update Catalog

If none of the mentioned workarounds helped you solve the problem, the last thing you can try is to manually download the update from Microsoft Update Catalog. It is the service from Microsoft where you can find the latest software updates, drivers, and hotfixes.

How to I fix a Windows 10 update error?

Depending on the cause, there are multiple ways to fix Windows 10 update errors. From performing an SFC scan, running Windows Update Troubleshooter, installing Windows Update in Clean Boot State, to Cleaning the SoftwareDistribution folder, all these methods can help solve the problem.

What is wuauserv?

Windows Update Services or wuauserv helps detect, download, and install the latest Windows and application updates. If you have disabled this service by any chance, you will struggle to use the Windows update or its automatic updating feature. Plus, the installed applications will also not be able to access the Windows Update Agent (WUA) API. Read Next: Fix Windows Update Error 0xCA00A009 on Windows 11.

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