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How to Fix Windows Modules Installer Worker High CPU Usage on Windows 10

Users often notice the high amount of CPU usage when operating any version of windows such as Windows 7/ 8.1 or 10. Whenever any process uses more than required resources, then your system gets slow, and you start encountering difficulties in performing every action because it all becomes time-consuming. A very common reason for noticing the high CPU usage is the Windows Modules Installer Worker process. Whenever the process collects data, you may experience the issue, and you feel laggy with every process you initialize.

What Is A Windows Modules Installer Worker Error?

Windows Modules Installer Worker Cpu Usage

Well, Windows Modules Installer Worker is a service that works to help users of Windows 10. Now you may be thinking how it can help you when it is the reason behind the errors. The user’s, let me tell you that the service regularly checks for the required updates and install them into your system or prompt you to install these updates by yourself.

Recommended: How to Fix High CPU & Disk Usage by CompatTelRunner.exe

But, sometimes the service starts malfunctioning, or any virus acts as this service and shows you the following error.  However, you do not have to worry because whatever the reason is it will be gone after you finish with all these methods mentioned below.

How To Lower CPU Usage Or Fix Windows Modules Installer Issue

#1 Get Help with Windows Troubleshooter

Windows troubleshooter is a free tool for windows that eliminate almost any error and help even a nontechnical person very much. So if you take help of the troubleshooter, chances are the error is going to be fixed soon, and you don’t need to be a pro. Just follow these steps:

  • Turn on your device and go to your system’s security. You can type settings in the search bar of your windows and hit enter.
  • A new window will appear, so just click on settings and then head to Update & security.
  • Here click on Troubleshoot and then Windows Update.
  • Click on Run and follow the troubleshooter’s instructions.
  • In the end, you will be finished with the error, and you can check if the error appears or not.
  • In most cases, troubleshooter gets very helpful eliminates all your windows related issues. But still, if you are getting the error then it is recommended to try the second method.

#2 Tweak the Windows Update Settings and Set This to Manual

You can also try with setting the windows update to manual mode, so let’s try this efficient technique by following the steps below:

  • Get the run dialog box and type Services.msc if you are not sure how to bring that box then press windows key and R at the same time.


  • After typing the given command hit the enter key. A window will be there with a long list of services.
  • Here search for Windows Modules Installer or press W if you want to perform a quick search.

Windows Update Settings

  • Once you find the service double click it or right-click it and go to properties.
  • In the new dialog box go to startup and set it to Manual.

Windows Update Settings

  • After that click OK Then click Apply > OK and now you can close the box.

This way you are done tweaking the Windows Update setting; see if the high CPU usage error still shows up.

#3 Disable Automatic Maintenance

In this step you aim to disable the Automatic Maintenance setting of your system and to do this, just follow these steps:

  • Go to the control panel by typing control panel in the search bar and hit enter, or you can press windows key and X and select control panel from the options.
  • Once you are there search for the option saying Security and Maintenance, click it.

disable automatic maintenance

  • It will take you to a new screen and there on the left panel you should see Change Security and Maintenance settings.
  • Here you should see a checkbox beside Automatic Maintenance, just uncheck it and save the settings by clicking OK.

Change Security and Maintenance settings

You are done with the steps and chances are you won’t see that error again. Else follow the next method and learn how to lower CPU usage.

#4 Try Putting Tiworker.Exe Process to Low

This method is really efficient to get you rid of that annoying error. You just need to set the priority of tiworker.exe to low through taskbar and you are done. When you have followed all the steps as mentioned, and then the process won’t trouble you anymore.

  • First, open the task manager. You can also open the Task Manager by pressing windows key and X simultaneously and select Task Manager.
  • Now you can see all the processes running, so here you need to find a process named as TiWorker.exe and right click it.
  • When you right-click the process, you will see an option of Set Priority. Adjust it to low or click End Process if you want to stop it.


  • Now you can close the window and give a restart to your device. Lastly, see if the error is still there.
  • If it is not gone by now then here is our fifth method for you to follow.

#5 Make Use of System Configuration

  • Open up the run dialog box pressing the keys as I mentioned above.
  • Type msconfig in the box and press enter.
  • It will bring the System Configuration window on the screen. Here go to the services tab and look for an opt-in as Hide all Microsoft Services, once you find it just check the box.
  • Next, you can see an option saying Disable all on the right corner of the window.
  • Once you find the option, just clicks it and it will disable all the services running other than Microsoft’s services.

disable all the services running other than Microsoft’s services.

  • At last, click OK and close the window. Give your device a restart, and soon you will notice the error is gone.

#6 Run DISM and System File Checker

This method is another way to get rid of the high CPU usage issue, so you can get everything normal again.

  • Very first go to the command prompt by pressing window key and X and sect command prompt.
  • If you want to go through the run box, then press windows key and R and type cmd.
  • Once the command prompt is on the screen, then you just need to copy two commands from here and paste them to the black screen of command prompt.

sfc scannow
Sfc / scannow
Dism / online / cleanupimage / restorehealth


  • You have to wait a few minutes until the scab gets done and now restart your PC.

#7 Update Drivers Using Device Manager

If none of these methods work then, you can also try updating your drivers. Sometimes faulty drivers create these types of issues. Follow these simple steps:

Update Drivers Using Device Manager

  • Right-click the My PC icon and select Manage.
  • Now in the new window go to the left panel and click Device Manager.
  • Once clicked, it will bring up a complete list of installed drivers in your system.
  • Here clicking all one by one and looking for that yellow exclamation mark, you can get to know the faulty drivers.
  • Once you find any yellow sign, right-click the driver and go to scan for hardware changes.
  • Just follow the instruction, and the new drivers will be installed automatically.


To take windows modules installer worker high CPU error out of your system all these seven methods work efficiently. Story any of these or all of these and share your experience here. If you have more suggestions, then you are most welcome.

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