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Windows Modules Installer Worker High CPU Usage [4 Fixes]

Windows Update service is responsible for this issue

3 min. read

Updated onFebruary 14, 2024

updated onFebruary 14, 2024

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Windows Modules Installer Worker high CPU usage can cause various problems, and it can negatively impact your performance.

However, this problem can be resolved, and in today’s guide, we’re going to show you the best ways to do that.

Why is Windows Module Installer using 100% CPU?

Issues with Windows Update or corrupted system files are the most common culprits for this issue.

How do I fix Windows Modules Installer Worker with high CPU usage?

It’s possible that high CPU usage is caused by an update install in the background, so waiting is the best option. If the problem persists after an hour or so, try using one of the following solutions.

1. Delete the SoftwareDistribution folder

PressWindowskey +Rto openRun. Typeservices.mscand hitEnter.
In the Service window, look forWindows Updateservice.
Right-click onWindows Updateservice and selectStop.

2. Stop this process from running

3. Prevent automatic Windows updates

4. Run Windows troubleshooter

Is Windows Modules Installer Worker safe?

Yes, Windows Modules Installer Worker is a Microsoft’s built-in system service, and it’s perfectly safe, even it causes high CPU usage.

Is Windows Modules Installer necessary?

This service is used for downloading and installing Windows updates, so it’s necessary if keep your system up to date.

We have a great guide on how todisable Windows Modules Installer, if you don’t want to use this service, so don’t miss it.

Why is Windows Module Installer Worker always running?

This service is closely related to Windows Update service, and if Windows Update service is running, the Module Installer Worker will run as well.

And with this, we can conclude this guide on how to solve this high CPU usage issue. We believe you have everything to fix the issue for good and get your PC working again.

If you are facing a similar issue inTiWorker.exe high CPU usage, check our detailed guide to fix it. We also have a guide on otherWindows Modules Installer Service issues, so check it out for more solutions.

Feel free to let us know the solution that helped you fix this issue in the comments below.

Windows Modules Installer Worker High CPU Usage [4 Fixes]#

How do I fix Windows Modules Installer Worker with high CPU usage?#

1. Delete the SoftwareDistribution folder#

2. Stop this process from running#

3. Prevent automatic Windows updates#

4. Run Windows troubleshooter#

Is Windows Modules Installer Worker safe?#

Is Windows Modules Installer necessary?#

Why is Windows Module Installer Worker always running?#