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How to Fix Windows Modules Installer Worker High CPU in Windows 10

  • Users of Windows 10 have reported that an item called Windows Modules Installer Worker is taking a significant amount of CPU power on their device.
  • It frequently consumes more than half of your CPU resources, and in extreme circumstances, it can even reach 100%.
  • This results in a slow computer and poses some concerns, including overheating and hardware damage.


How to Fix Windows Modules Installer Worker High CPU in Windows 10


The Windows Modules Installer Worker isn't a virus or malware, therefore don't be concerned. It's a fully safe operation to run on your computer, but it does have some flaws. This article explains how to resolve the high CPU utilization error and get your machine back up and running.


  1. Check the Task Manager if your computer's fans are spinning up and it's getting hotter for no apparent reason.
  2. You might find "Windows Modules Installer 
  3. Worker" as the cause of the CPU problem. This process is part of the Windows operating system and is known as TiWorker.exe.


The following is critical information about Windows Modules Installer Worker.


What is Windows Modules Installer Worker?

How to Fix Windows Modules Installer Worker High CPU in Windows 10


Windows Module Installer Worker is an important PC utility that allows the computer to automatically check for Windows updates. It's a must-have program if you want Windows to check for updates automatically on your PC or laptop because it operates in the background while Windows searches for and installs updates.


  • Windows Modules Installer Worker (or TiWorker.exe) is a Windows Update Service in its most basic form.
  • It searches for and installs newly available Windows system updates on your machine. This function will run whenever your
  •  system seeks updates automatically or when you manually initiate a search for updates.


Users may see the Windows Modules Installer Worker consuming up to 100% CPU usage when they experience sudden slowdowns and visit the Task Manager to check what's going on. This is why some customers associate the Windows Update Installer worker with CPU consumption issues as the utility searches for updates.


Is the Windows Modules Installer Worker malware or a virus?


When some people observe that Windows modules installation worker is using a lot of CPU or using a lot of disc space, they may fear it's a virus.


It is not a virus or malware.


The Windows modules installer worker is merely a necessary component of the Windows operating system for Windows Updates. As a result, you don't have to be concerned. If you're still concerned, you can run any of the virus scans using a good antivirus solution or with the assistance of Windows Defender.


Why does the Windows Modules Installer Worker use so much of my computer's processing power?


  • The ongoing search for updates by the Windows Modules Installer Worker causes significant CPU use
  • The operating system is extremely important in Windows.
  • Updates and upgrades are usually installed at night, while the computer is not in use.
  •  However, in some circumstances where the system is switched off at night, the only answer is for the updates to download and install during the day or while your PC is turned on.


When the RAM is full or the PC drivers are old, Windows modules installation workers may experience significant CPU use. When you manually or automatically search for and install Windows 10 updates, this can happen. It happens most of the time when fixing a laptop or PC.


Another typical query is how long do the modules installer worker process remain active? There is no right or wrong solution to this. You'll be able to see it until the process is finished or until Windows restarts.


However, if you see that the TiWorker.exe process is causing a load of 80—100% for an hour, two hours, or longer, try rebooting your PC or laptop first. Allow the system to reboot normally, then wait around 5 minutes to watch the installer process in action. The action/activity of the Windows modules installation worker process is usually greatly reduced after a restart.


Is it possible to turn off the Windows Modules Installer Worker?


  1. During your search for a solution to the Windows Modules installation worker's high CPU utilization, you may come across advice advising you to disable it.
  2. Yes, the Windows Modules Installer worker system service can be disabled. This, however, will prevent Windows from correctly installing updates, and you should not do so.
  3. It is critical to maintaining your Windows operating system up to date at all times.
  4. So, despite its high CPU and disc utilization, it's best to just bite the bullet and let the TiWorker.exe process do its thing on occasion. This is how Windows updates are installed, and it's for your own benefit.


Fix the high CPU use of the Windows Modules Installer Worker


To fix Windows Modules Installer Worker - High CPU Usage, use the procedures listed below.


Method 1: Delete the SoftwareDistribution folder from your computer.


When troubleshooting this problem, the first thing you should try is eliminating a folder called SoftwareDistribution. By default, new updates are saved in this folder. When a corrupt file is saved here, the Windows Modules Installer Worker may experience a variety of issues.

There are no risks in deleting the folder because Windows 10 will create a new folder with the same name when a new update is found. Please keep in mind that this procedure may necessitate access to an administrator account.

Disable the Windows Update service for the time being by following these steps:

  • To use the Run utility, press the Windows + R buttons on your keyboard.
  • Click the OK button after typing “services.msc” without quotation marks. The Services window will appear on the screen.
  • Find the Windows Update service and start it.
  • Select Pause/Stop from the context menu by right-clicking on it.
  • Navigate to C: Windows in the File Explorer.

How to Fix Windows Modules Installer Worker High CPU in Windows 10

  • Right-click on the SoftwareDistribution folder to select it. From the context menu, select the Delete option.

How to Fix Windows Modules Installer Worker High CPU in Windows 10

  • Restart your device to see whether the Windows Modules Installer Worker problem has been resolved.


Restart the Windows Update Service (Method 2)


How to Fix Windows Modules Installer Worker High CPU in Windows 10

Because the update service isn't working properly, your Windows Modules Installer Worker could be taking a lot of resources. Simply follow the instructions below to check and repair this.


  1. On your keyboard, press the Windows + R keys. This will launch the Run application.
  2. To start Services, type “services.msc” and hit the OK button. It may take a few moments for this to fully load.
  3. Scroll to the bottom of the page until you see the Windows Update service. Select the "Stop" option from the context menu by right-clicking on it.
  4. Allow 30 seconds to pass.
  5. Select "Start" from the right-click menu for the Windows Update service. The service should be completely restarted as a result of this.

Use the Windows Update Troubleshooter as a third option.


Microsoft has released a dedicated tool to assist in the resolution of issues with Windows upgrades. This program is free and can be downloaded by anyone, even if they do not have a Microsoft Account. All you have to do now is run the tool and check if it can detect and correct any issues.

  • The Windows Update Troubleshooter can be downloaded here. This download link comes from Microsoft's website, which has been validated, is reliable, and is completely secure.
  • Double-click the WindowsUpdate.diagcab file you just downloaded to open it. The troubleshooter window will open as a result of this.
  • Follow the directions on the screen. If the troubleshooter detects any problems, simply click on them to have a repair applied automatically or to learn more about your problem.

It's worth noting that the Windows Update Troubleshooter isn't without flaws. Even if it can't detect any faults on its own, you should keep trying our approaches until you find one that fixes the Windows Modules Installer Worker High CPU error.

Method 4: Use the System File Checker to ensure that all of your files are in order (SFC scan)


How to Fix Windows Modules Installer Worker High CPU in Windows 10

The System File Checker is a program that comes pre-installed in Windows 10. It's also known as an "SFC scan," and it's the quickest approach to correct corrupted system files and other issues automatically.


Running this check, according to some users, preventing the Windows Modules Installer Worker High CPU issue from recurring.


  1. On your keyboard, press the Windows + R keys. This will launch the Run application.
  2. On your keyboard, type “cmd” and press the Ctrl + Shift + Enter buttons. By doing so, you're granting administrative access to the Command Prompt.
  3. If prompted, accept the Command Prompt's permission to make changes to your device by clicking Yes.
  4. Type the following command into the Command Prompt and press Enter to run it: sfc /scannow sfc /scannow sfc /s
  5. Wait for the SFC scan to finish scanning and repairing corrupt files on your computer. This could take a long time, so don't close the Command Prompt or turn off your computer while it's running.
  6. After the scan is finished, restart your device.

Use the DISM command as a fifth option.


By simply entering commands in the Command Prompt application, you can diagnose and address corruption issues with your system using the DISM tool. It scans the entire system for corruption and attempts to repair damaged or missing files automatically.


  1. On your keyboard, press the Windows + R keys. This will launch the Run application.
  2. On your keyboard, type “cmd” and press the Ctrl + Shift + Enter buttons. By doing so, you're granting administrative access to the Command Prompt.
  3. If prompted, accept the Command Prompt's permission to make changes to your device by clicking Yes.
  4. Once you're in the Command Prompt, start the DISM scan, which will run and look for faults throughout the system. To run the command, type it in and press Enter DISM.exe /Online /Cleanup-image /Scanhealth.
  5. After that, you must run a command to resolve any faults that have been discovered in your system. Simply type the following line and hit Enter once more: DISM.exe /Online /Cleanup-image /Restorehealth DISM.exe /Online /Cleanup-image /Restorehealth
  6. Wait for the procedure to complete. Close the Command Prompt window and restart your device after it's finished.

Method 6: Disable Windows 10's Automatic Updates


How to Fix Windows Modules Installer Worker High CPU in Windows 10

Because the Windows Modules Installer Worker is part of Windows Update, you might want to try disabling automatic updates to see if that helps. Follow the steps outlined below to accomplish this.

  • To enter the Settings app, use the Windows + I buttons on your keyboard. By clicking the gear symbol in the Start menu, you can also access Settings.
  • Select Update & Security from the drop-down menu.
  • From the left panel's menu, choose Windows Update.
  • Go to Advanced Options and select it.
  • Using the drop-down option, choose how long you want to halt updates.

You can turn off updates for up to 35 days at a time, but you must repeat these steps every month to avoid automatic upgrades. Please read our post on How to Prevent Windows 10 Updates if you want to permanently disable Windows 10 updates.


Change your Internet settings (method 7)


Case 1: You have access to the internet via Wi-Fi.

  1. To enter the Settings app, use the Windows + I buttons on your keyboard. By clicking the gear symbol in the Start menu, you can also access Settings.
  2. Select Network and Internet from the drop-down menu.
  3. Using the menu on the left-hand panel, select the Wi-Fi tab.
  4. Select the Wi-Fi network you're currently connected to.
  5. Turn on the Set as a metered connection option for the Wi-Fi network in the Metered connection section.

Case 2: You're connected to the internet via Ethernet.

  • On your keyboard, press the Windows + R keys. This will launch the Run application.
  • Press the OK button after typing “Regedit” without quotation marks. The Registry Editor will open in a new window as a result of this action.
  • Make your way to the following key: HKEY LOCAL MACHINE SOFTWARE Microsoft Windows NT CurrentVersion NetworkList DefaultMediaCost HKEY LOCAL MACHINE SOFTWARE Microsoft Windows NT CurrentVersion NetworkList DefaultMediaCost
  • Select Permissions from the context menu of the DefaultMediaCost folder by right-clicking on it...

How to Fix Windows Modules Installer Worker High CPU in Windows 10

  • Select Add... from the drop-down menu. Click Check Names after entering your username in the Enter the item names to select section.

How to Fix Windows Modules Installer Worker High CPU in Windows 10

  • Then press the OK button.
  • Select the newly added user and check the Allow box in the Full Control row. To return to the Registry Editor, click the OK button to end this window.

How to Fix Windows Modules Installer Worker High CPU in Windows 10

  • Make sure the Data value in the DefaultMediaCost folder is set to 2 by double-clicking on the Ethernet value.

How to Fix Windows Modules Installer Worker High CPU in Windows 10

  • Restart your computer by pressing the OK button.

Last Thoughts

We hope that this post helped you figure out "what is Windows modules installer worker" and how to fix Windows 10's Windows Modules Installer Worker's high CPU consumption. Don't hesitate to return to our website and help center if you run into similar problems in the future. You will come up with a solution.


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