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Wuaueng.dll: What Is It & How to Fix its High CPU

Disabling Windows update should fix this issue

3 min. read

Updated onApril 2, 2024

updated onApril 2, 2024

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Key notes

Wuaueng.dll, or Windows Update Agent, is a vital DLL file that is part of the Windows update process. However, some users report that the Wuaueng.dll is registeringhigh CPU usage.

If you are here because of this issue, this guide will show you effective ways to fix it.

Why is wuaueng.dll using so much CPU?

Why is wuaueng.dll using so much CPU?

The potential causes of the wuaueng.dll high CPU usage error are within a close circle. Below is a couple of them:

How can I fix wuaueng.dll if it’s using a high CPU?

How can I fix wuaueng.dll if it’s using a high CPU?

1. Use a dedicated DLL fixer

Wuaueng.dll is important for updating your PC and keeping it secured. Since it is an integral part of your Windows PC, it is not advisable to download it from a third-party website.

Instead, we recommend repairing the file using adedicated DLL fixersolution. These tools will fix the wuaueng.dll file if it is corrupt and replace theDLL file if it’s missing.

2. Update your PC

According to users, this wuaueng.dll high CPU usage issue was prominent on the May 2016 update. However, it has been fixed in more recent updates.

Hence, make sure you update your PC to the latest version and restart it.

3. Change update settings

In some cases, the wuaueng.dll high CPU usage can be caused by problems installing Microsoft apps update. The solution is to disable this feature and install only the required Windows update.

4. Disable auto-update

If you still can’t fix this wuaueng.dll high CPU usage issue on your PC, you might need to disable automatic Windows update. This will eliminate the chief cause of the issue till there is a better update without the problem.

With this, we can conclude this guide on the wuaueng.dll high CPU usage issue. What is left for you to do now is to follow the onscreen instructions carefully, and things should be back to normal.

Similarly, if you are facingService Host Windows update high CPU usageon your PC, check our detailed guide to solve it for good.

Also, if someDLL files are missing on your Windows 10PC, our comprehensive guide will show you how to get them back.

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

More about the topics:DLL errors,High CPU usage

Ola-Hassan Bolaji

Windows Hardware Expert

A Computer Engineering graduate, he has spent most of his life reading and writing about computers.

He finds joy in simplifying complex topics into simple solutions for PC users. The quality of his work and providing step-wise tested and proven solutions to PC issues are all that matter to him.

Away from computers, he is either reading or watching football!

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Ola-Hassan Bolaji

Windows Hardware Expert

He’s a Computer Engineering graduate who has spent most of his life reading and writing about computers & operating systems.