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MoUSO Core Worker Process: What is It & How to Fix Its High CPU?

A software component that decides the order of download and install of Windows update

3 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Noticed the MoUSO core worker process causinghigh disk usage, high RAM consumption, and CPU usage? If you are wondering whether it is a legit process, then you are at the right place.

Here, in this guide, we will discuss what the MoUSO core worker process is and how to reduce disk and CPU usage due to it. Let’s begin!

What is the MoUSO core worker process?

What is the MoUSO core worker process?

MoUSO is a software component of Microsoft’s Unified Update Platform. It manages the order in which updates are downloaded and installed on Windows.

This process appears in Task Manager wheneverWindows check for updates. However, sometimes it might remain active for a long time without any reason, which causes high CPU and RAM consumption, resulting in slow and sluggish PC performance.

How to fix MoUSO core worker process high Disk/CPU Usage?

How to fix MoUSO core worker process high Disk/CPU Usage?

Before diving into advanced troubleshooting, you should consider performing the following steps:

1. Verify if the process is genuine

2. End the MoUSO core worker process

3. Run the Windows Update Troubleshooter

4. Disable Delivery Optimization

5. Disable & Restart Services

6. Reset Power settings

Is MoUSO core worker process a virus?

MoUSO is a genuine Windows process. However, if it seems to be CPU-intensive, then you can authenticate it using the first method. Also, you can open this executable file’s location and check if it is in the Windows folder on your C drive. If the file is located somewhere else, it might not be legit, and you need to run a deep scan on the security tool to eliminate the problem.

Can I End task MoUSO core worker process?

Yes, you can end task for the MoUSO core worker process from Task Manager. You can right-click on it and select End Task to close the process.

So, this is it! This is all you need to know about the MoUSO core worker process, along with the fixes to get rid ofhigh CPUand high disk usage caused by the process.

Try these methods to fix the issue, and let us know what worked for you in the comments section below.

More about the topics:High CPU usage

Vlad Turiceanu

Windows Editor

Passionate about technology,Windows, and everything that has a power button, he spent most of his time developing new skills and learning more about the tech world.

Coming from a solid background in PC building and software development, with a complete expertise in touch-based devices, he is constantly keeping an eye out for the latest and greatest!

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Vlad Turiceanu

Windows Editor

Coming from a solid background in PC building and software development, he’s a Windows 11 Privacy & Security expert.