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[Fixed] Windows Host Process Rundll32 High CPU Usage

Follow our quick fixes for rundll32 high CPU and disk usage

4 min. read

Updated onMarch 22, 2024

updated onMarch 22, 2024

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Key notes

High disk and CPU usage problems inWindowscomputers is nothing new. While the high disk usage can be usually fixed by installing a high-speed SSD, the high CPU usage problem is not hardware-based.

Windowshostprocess rundll32 high CPU and disk usage is one such issue annoying manyWindowsusers.

TheDLLextension is used to store common application logic accessed by other common applications.

High disk and CPU usage byWindowshostprocess rundll32 can occur due to scheduled tasks or if the computer has malware issues.

This article explores a few troubleshooting steps to help you resolve theWindowshostprocess rundll32 high disk / CPU usage problem in Windows 10.

How can I fix Windows host process rundll32 high CPU usage?

How can I fix Windows host process rundll32 high CPU usage?

1. Disabled items from the Task Scheduler

Note: After you’ve performed these steps, don’t forget to restart your computer.

After the restart, check if theWindowsHostprocess rundll32 high CPU usage is gone.

If not, make sure to reverse the changes made in the earlier steps to enable Consolidator from the properties and item list.

2. Use specialized repair software

DLLerrorsare somewhat common, and fixing them manually can be a hassle, especially if you can’t find the culprit of the problem.

Therefore, to fix issues withWindowsHostprocess rundll32 and other software, we suggest usingspecialized third-party tools.

3. Disable Telemetry services

Close the Services window and restart your computer. Open the Task Manager to check if the high disk and CPU usage issue is resolved.

Microsoft’s User Experience service is also known to cause high disk and CPU usage problem.

Disabling the service seem to have resolved the problem withWindowsHostprocess rundll32.

4. Uninstall Google App Engine

Many users have reported theWindowsHostprocess rundll32 problem was resolved after removing the software, so be sure to try that.

5. Uninstall Lenovo Dependency package

Lenovo Dependency Package is a set of services and drivers installed on old Lenovo machines to help with Lenovo Settings.

However, at times the package can cause high disk and CPU usage issues. Removing the package should fix the problem.

TheWindowshostprocess rundll32 high disk and CPU usage problem can occur due to several reasons.

Follow the steps in this article one by one and let us know which step helped you resolve the problem in the comments.

More about the topics:DLL errors,High CPU usage

Tashreef Shareef

Tashreef Shareef is a software developer turned tech writer. He discovered his interest in technology after reading a tech magazine accidentally. Now he writes about everything tech from Windows to iOS and streaming services to IoT at WindowsReport.

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Tashreef Shareef

Reviewed byVlad Turiceanu

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