Windows Modules Installer Worker High CPU Usages Error

Windows Modules Installer Worker High CPU Usages

Particularly in Windows 10 PCs, Windows Modules Installer Worker High CPU Usage error is a frequent problem. This problem can occur if the Windows Module Installer doesn’t respond and uses most of the CPU supplies. If you encountered this problem, this article can help you to fix this problem. In this article, you can find some easy techniques to solve this problem.

What is Windows Modules Installer Worker?

It is a system to manage the installation of new updates on your PC. It searches for new updates and starts the installation process as required by the system. So, you can find this system running in the background automatically. Occasionally, this system may not respond during the searching process of updates, which can slow down the performance of your PC.

This is a frustrating problem and you can find the methods to solve this in the following sections.

Before starting any method to fix this problem, you should ensure that there is no maintenance task is scheduled by Windows OS. You can check that in settings. To do that, you need to go to Control Panel and select Security and Maintenance under All Control Panel Items. Then under that, you should select Automatic Maintenance. If there is any running task, you should wait until it completes.

How to fix Windows Modules Installer Worker High CPU Usages Error?

To get rid of Windows Modules Installer Worker error, you need to make some changes in your system. You can choose any method given below according to your easiness.

Method 1: Change Windows update from automatic to manual:

You know that the Windows Modules Installer Worker High CPU Usage error occurs due to the issues with automatic Windows updates. So, the simplest solution for this problem is to change the Windows update setting from automatic to manual. It will switch off the automatic running of the Windows process in the background. This is an effective way to prevent the Windows Modules Installer Worker from consuming more CPU usage.

Steps to change Window Update from automatic to manual:

  • First, open the Run dialogue box by clicking Windows key + R key and write services.msc in the dialogue box.

  • On the Services window, find the Windows Modules Installer by scrolling.

  • Double-click on the Windows  Modules Installer.
  • On Windows Installer Properties window, Navigate to Startup Type Click on Dropdown menu and change Automatic to Manual and then click on the OK button.

  • Now again go to services.msc and find for Windows Update and there also change it to manual as done in the above point.

  • Then go to the control panel and click on Windows Update.
  • Then select the settings and under that choose Check for an update but let me choose whether to download and install them and then press the OK button.

  • Once everything is done close all the Windows and restart your computer.

After completing the above steps, the Windows Modules Installer Worker error will be solved.
As you have changed the Windows Update settings from automatic to manual, you should search for updates more often so that you didn’t miss any important update. If you missed, it can also result in system performance issues.

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Method 2: Delete SoftwareDistribution Folder

One of the effective way to resolve the Module Installer Worker High CPU usage error is to delete the SoftwareDistribution folder. By default, Windows stores new updates in this folder. Sometimes files in this folder get corrupted and continuous searching for updates may result in High CPU Usage. To delete this folder follow the steps given below :

Stop Windows Update Service

For Safe deletion of the folder, you need to stop Windows Update Service so that no error will occur during deletion. Here is how to stop the service.

  • To Open Run, Click Window key + R Key.
  • Write service.msc in the run box and hit enter.
  •  Windows Service window gets open. Now look for Windows Update in the window by clicking on items and then Click W or by scrolling.
  • Right-Click on the Windows Update and select “Stop”.

As Windows Update service stops, close the Windows Service window and now you can delete the SoftwareDistribution folder by following below steps:

  • Open File Explorer.
  • Open location C: > Windows.
  • Now look for the SoftwareDistribution folder. Right Click on the folder and select “Delete”.

After Deleting the folder reboot the system and check for Update by doing this.

Go to Settings>Update and Security>Windows Update>Check For Update.

I hope, this option is valuable for you to resolve the High CPU Usage Error. Otherwise, you can opt other options listed below.

See Also: How to Fix Windows Audio Device Graph Isolation High CPU Issue

Method 3: Change your internet settings:

To prevent automatic Windows Updates, you can change your internet settings also. You can do this in two ways according to your internet connection.

Way 1: Wi-Fi network

  • To change your Wi-Fi network settings, you can follow the below instructions:
  • Press the Start menu button.
  • Go to the Settings of your PC.
  • Then click on Network & Internet > Wi-Fi > Manage known networks.

  • Now go to Wi-Fi network > Properties > turn on Set as metered connection.

Check for the issue if it is resolved or not. If not, you can try another option given next.

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Way 2: Ethernet network

  • Press Window Key + R Key to open the Run dialogue box and write regedit and click on OK button to open Windows Registry Editor.

  • Then a prompt will appear. Press the Yes button.
  • Now on the Windows Registry Editor , navigate to HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows NT > CurrentVersion > NetworkList > DefaultMediaCost

  • Now right-click on DefaultMediaCost and select permissions Tab.
  • Now click on the add button and type your username in the text box located below the Enter the object names (Example): tab.
  • Now Click on the Check Name button then click on the OK button

  • Then select the new user and check the box right below Allow to enable full control and then press the OK button.
  • Now close all the windows.

After doing all the above steps, you should restart your PC to allow the changes to effect. If this also doesn’t solve your problem, you can go for other methods.

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Method 4: Fix TiWorker.exe:

If you have tried the above options such as change Windows Update from automatic to manual and still Windows Modules Installer issue exists then you must try to fix TiWorker.exe. This file is built-in Windows Update and might help in resolving High CPU Usage error that occurs due to the high consumption of CPU resources by Windows Modules Installer.

The simple steps to fix TiWorker.exe are:

  • Simply write Troubleshooting in Windows Search Box and select it.
  • For Windows older version- Go to Control Panel and search for Troubleshooting.

  • On the new window, search for the View All button on the left side menu and click on it to go to the next step.
  • Then click on System Maintenance, click on the Next button and wait for the process to complete.

  • After the process completes, you should restart your computer. This is an effective way to solve this problem.

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Method 5: Perform a clean boot:

This is an alternative way of fixing TiWorker.exe. By doing this, you can reduce the CPU usages. This is done by using a tool i.e Microsoft Configurations tool which enables you to find out temporary and unwanted files. By deleting these files you can get free space and CPU will be free from unwanted processes and services. These are the steps to perform a clean boot:

  • Press the Windows+R  key to open Run.
  • Write msconfig.exe in the text box and press Enter.

  • On that window, choose Normal Startup and press the OK button.

  • Now restart your computer.

After completion of this process, I hope you will not experience Windows Modules Installer Worker errors and this post is valuable to you.


Can I end the Windows Modules Installer Worker?

Windows Modules Installer Worker is an essential part of your computer to install new updates. Sometimes you can notice high CPU usages during the installation process. However, you can disable it if it affects your computer’s performance. It can be disabled in the task manager temporarily. To do that, you should go to the task manager then do right-click on the windows modules installer worker and then select end task.

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What is Windows Modules Installer Worker Windows 10?

It is an important component in your Windows 10 computer, which is responsible for installing new updates. Sometimes it can use more CPU resources by slowing down the system performance.

Why is Windows Installer not working?

  • You can make your Windows Installer Working by following these steps:
  • Open the Run dialogue box.
  • Type MSIExe in the dialogue box and click on OK.
  • Then you can ensure its working by seeing a windows installer window.
  • If you find any error in that window, you need to start it manually.
  • Then go to the task manager then serves and then start msiserver.


I hope the methods discussed here will help you to solve the Windows Modules Installer Worker High CPU usage error. If any of the above methods have not worked for your system, there may be some issues with your computer hardware. You should update your computer’s hardware.

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