Fix Windows Host Process Rundll32 High Disk Cpu Usage

The rundll32.exe is an application of Windows 10 that is used to launch the functionality stored in shared DLL files. This is a valid part of the Windows operating system located and is normally located at \Windows\System32\rundll32.exe however there are some malware that try to use the same name and run from a different directory, usually causing issues on your computer. In this latest installment of our troubleshooting series we will tackle the Windows host process Rundll32 high disk and CPU usage issue.

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How To Fix Windows Host Process Rundll32 High Disk and Cpu Usage

Before performing any of the recommended troubleshooting steps listed below it’s best to restart your computer first. This action refreshes the operating system and remove any corrupt temporary data that could be causing the problem.

There are several factors that can cause this particular problem ranging from a malware infection to corrupted files. Listed below are the troubleshooting steps you need to do to fix the problem.

Disable items from Task Scheduler

If this issue occurred right after installing a Windows 10 update then there might be some processes running that is using up your CPU and disk resources. Try disabling these items then check if the issue still occurs.

  • Type “administrative tools” in the search bar then open the first application that appears
  • Browse through the shortcuts and open “Task Scheduler”.
  • Go to Task Scheduler Library > Microsoft > Windows > Customer Experience Improvement
  • On the right side, you will see three items in this schedule. Click on “Consolidator” to open its properties. Navigate to the triggers tab. Here you will see a trigger which triggers the service every once in a while. Click it and select “Edit”.
  • Once the trigger properties are opened, navigate down to the advanced settings and uncheck the box “Enabled”. Click Ok to save changes and exit.
  • Now come back to the list of items. Right-click them one by one and select “Disabled” in each case. The name of the items are: Consolidator, KernelCeip Task, UsbCeip.
  • Close the scheduler then restart your computer 

Check if the Windows host process Rundll32 high disk and CPU usage issue still occurs.

Disable telemetry services

likely more metrics that have yet to be disclosed. This helps improve user experience and fix potential issues however it has been known to cause this particular issue which is why you should try to disable it.

  • Press Windows + R to launch the Run application. 
  • Type “services.msc” in the dialogue box and press Enter.
  • Search for “Connected User Experience”. Double-click it to open its settings.
  • Click “Stop” underneath service status. Then select “Startup type” and set the option to Disabled. Once you are done making changes, press Ok and exit.
  • Restart your computer

Check if the Windows host process Rundll32 high disk and CPU usage issue still occurs.

Uninstall the Google App Engine

The Google App Engine App Engine is a fully managed, serverless platform for developing and hosting web applications at scale. It supports languages such as Java, Ruby, Python and other JVM languages. Several users have reported this issue occuring after installing the Google App Engine which is why you should try to uninstall it.

  • Press Windows + R, type “control panel” in the dialogue box and press Enter.
  • Once in the control panel, select the “Uninstall a program” under the heading of “Programs”.
  • Locate “Google App Engine”, right-click it and select “uninstall”.
  • Restart your computer.

Check if the Windows host process Rundll32 high disk and CPU usage issue still occurs.

Start the computer in Safe Mode

  • Go to Start Menu and click on the Power button located on the bottom left pane.
  • While pressing the Shift key on the keyboard, click on the Restart option using the left mouse button. It would interrupt the normal start of PC by displaying a list of options to select from. Select Troubleshoot from the options and it would take you to the next screen.
  • On the next screen, click on the Advanced Options.
  • Inside the Advanced options screen, select the Startup Settings and restart your PC
  •  After the PC is rebooted, you will find a number of options to select from a list using F1 – F9 function keys. If you want to boot the computer into Safe Mode, press the F4, F5 or F6 function keys depending on your requirements. Now, your PC will boot in Safe Mode.
  • Open the task manager (by press Windows + R and typing “taskmgr”). Check if the disk usage and CPU usage are normal. If there were no problems detected in the Safe mode, then you should perform a clean boot and determine which application/service is causing you the problem. 

If the issue still occurs in Safe Mode then proceed with the additional steps listed below.

  • Press Windows + R to launch the Run application. Type “msconfig” in the dialogue box and press Enter.
  • Go to the Services tab present at the top of the screen. Check the line which says “Hide all Microsoft services”. Once you click this, all Microsoft related services will be disabled leaving behind all the third-party services.
  • Click the “Disable all” button present at the near bottom at the left side of the window. All the third-party services will now be disabled.
  • Click Apply to save changes and exit.
  • Go to  the Startup tab and click the option of “Open Task Manager”. You will be redirected to the task manager where all the applications/services which run when your computer starts will be listed.
  • Select each service one by one and click “Disable” at the bottom right side of the window.
  • Restart your computer and check if the issue still occurs. If it does, it means there is an external program which is causing the problem. Search through your installed programs and determine which application is causing your problems. You can also run Microsoft Security Scanner to check for Malware or any other threat causing problems to your computer.

Restore windows 10

In case the issue still persists, then you should try to restore Windows 10 to a previous restore point.

  • Type “restore” in the search box and select the first program which comes in the result.
  • Once in the restore settings, press Open System Restore.
  • A wizard will open navigating you through all the steps to restore your system. Press Next and proceed with all the further instructions.
  • Select the restore point from the list of options available.
  • Windows will confirm your actions for the last time before it starts the system restore process. Save all your work and backup important files just in case and proceed with the process.

Check if the Windows host process Rundll32 high disk and CPU usage issue still occurs.

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