Windows host process rundll32 high disk / CPU usage

by Tashreef Shareef
Tashreef Shareef
Tashreef Shareef
Windows & Software Expert
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... read more
Affiliate Disclosure
  • Are you experiencing Windows Host process rundll32 high disk usage? If so, in this guide we’re going to show you how to fix it.
  • The best way to fix this issue is to use dedicated system repair software.
  • Certain tasks can also cause issues with dundll32, so be sure to disable them to fix this issue.
  • If you’re having problems with the Windows Host process rundll32 and high CPU usage, you might want to disable certain services.
Windows 10 high resource usage problem

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High disk and CPU usage problems in Windows computers 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.

Windows host process rundll32 high disk/CPU usage is one such issue annoying many Windows users.

The DLL extension is used to store common application logic accessed by other common applications.

High disk and CPU usage by Windows host process 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 the Windows host process rundll32 high disk / CPU usage problem in Windows 10.

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

1. Disabled items from the Task Scheduler

  1. Press the Windows key, type administrative tools, and open it. 
  2. In the File Explorer window, scroll down and launch Task Scheduler.
  3. In Task Scheduler, expand the Task Scheduler Library and navigate to the Task Scheduler Library then select Microsoft. Expand the Windows section and select Customer Experience Improvement.
  4. On the right pan, right-click on Consolidator.
    windows host process rundll32 high disk usage
  5. Select Properties.
  6. Open the Triggers tab.
  7. Select the OneTime trigger and click on Edit.
    windows host process rundll32 high disk usage
  8. In the Edit Trigger window, uncheck the Enabled box under Advanced Settings.
  9. Click OK to save the changes.
    windows host process rundll32 high disk usage
  10. Now go back to the Item list, right-click on the following items one by one, and select Disable. The items that you need to disable are following:
    • Consolidator
    • UsbCeip

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

After the restart, check if the Windows Host process 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

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

Expert Tip: Some PC issues are hard to tackle, especially when it comes to corrupted repositories or missing Windows files. If you are having troubles fixing an error, your system may be partially broken. We recommend installing Restoro, a tool that will scan your machine and identify what the fault is.
Click here to download and start repairing.

Therefore, to fix issues with Windows Host process rundll32 and other software, we suggest using specialized third-party tools.

Restoro repair

Restoro is a reliable third-party DLL fixer which uses a built-in automated system and an online library full of functional DLLs to replace and repair any files that might be corrupted or damaged on your PC.

All you need to do to resolve your PC’s problems is to launch it, and simply follow the on-screen instructions to start the process, as everything else is covered by the software’s automated processes.

This is how you can fix registry errors using Restoro:

  1. Download and install Restoro.
  2. Launch the software.
  3. Wait for it to scan your PC for any stability issues and possible malware.
  4. Press Start Repair.
  5. Restart your PC for all the changes to take effect.

After this process is completed your PC will be as good as new, and you will no longer have to deal with BSoD errors, slow response times, or other similar issues.

Get Restoro

Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

3. Disable Telemetry services

  1. Press the Windows key + R to open the Run dialogue box.
  2. Type services.msc and click OK.
  3. In the Services window, search for Connected User Experience service.
  4. Righ-click on the service and select Properties.
  5. Click the Stop button to stop the service.
  6. Set the Startup Type to Disabled.

  7. Click Apply and OK to save the changes.

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 with Windows Host process rundll32.

4. Uninstall Google App Engine

  1. Press the Windows key + R.
  2. Type appwiz.cpl and click OK.
  3. In the Control Panel, locate Google App Engine.

  4. Click on Uninstall. Confirm the action by clicking on Uninstall/Yes.
  5. Once uninstalled, reboot the computer and check for any improvements.

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

5. Uninstall Lenovo Dependency package

  1. Press the Windows key, type control, and open Control Panel.
  2. Go to Programs and choose Programs and Features.
  3. Right-click on Lenovo Dependency Package and select Uninstall. Confirm the action by clicking on Yes.
    windows host process rundll32 high disk usage
  4. You may need to restart your computer to see any changes.

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.

The Windows host process 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.

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