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Windows modules installer worker High CPU Usage (Solved)

Windows modules installer worker also known as TiWorker.exe is a system component in Microsoft Windows 11 that handles the installation, modification, and removal of Windows updates, optional components, and service packs. This component is responsible for ensuring that your operating system remains up to date and secure by managing the installation of updates and patches. It operates in the background and should ideally have minimal impact on your system’s performance. However, there are instances you may notice Windows modules installer worker high CPU or 100 disk usage after the Windows 11 update. This article explores what is windows modules installer worker, why it’s causing High CPU or 100 Disk usage. Also, we share a few effective troubleshooting steps to fix the Windows module installer worker on Windows 11.

What is Windows Modules Installer worker?

The Windows Module installer worker is responsible for installing Windows updates including software updates, patches, service packs, and optional features on your Device. It prepares your Windows 11 for installation and checks frequently for new updates.

The Windows module installer worker

  • Ensures your system stays current and secure by installing important updates, bug fixes, and enhancements provided by Microsoft.
  • Manages the installation of significant updates that introduce new features and improvements to the operating system.
  • Helps you customize Windows by adding or removing optional features as needed.
  • It operates in the background, using idle resources, and prioritizes your activities to avoid disruptions.

Windows module installer High CPU

While the Windows Modules Installer Worker is essential for maintaining the overall health and functionality of your Windows system, it may sometimes lead to high CPU usage and disk activity. This is particularly noticeable when updates are being actively installed or configured. Such resource consumption is usually temporary and should subside once the installation or modification process is complete.

Why do Windows modules installer workers High CPU or 100 disk usage?

One of the primary reasons for high CPU usage is when the Windows Modules Installer Worker is actively searching for updates or installing them.

Again If there are pending updates that require installation, the Windows Modules Installer Worker might continuously run in the background, causing high CPU usage until the updates are completed.

In some cases, corrupted or incomplete update files can confuse the Windows Modules Installer Worker, leading to a loop of repeated attempts to install updates, thus increasing CPU usage.

Check and install pending Windows updates

If Windows updates are pending, or you have not installed Windows updates for a long time,  the Installer Worker might be working in the background to install them, which can lead to increased CPU usage. Installing these updates ensures that the Installer Worker completes its tasks and reduces CPU usage.

  • Press Windows key + I to open the settings app
  • Go to Windows Update then hit the check for Updates button,
  • If new updates are available or opening there, allow them to download and install on your Device.

windows 11 update download

  • In addition, look for any optional updates available, and allow them to download and install as well.
  • Click on Advanced options then Optional updates, if updates are available click Download and Install.

Optional updates download

Once done, restart your PC to apply the changes and check if this help fix the Windows module installer worker high CPU usage problem.

Restart Windows Update Service

The Windows Update service is responsible for managing updates. Restarting this service can help resolve any glitches or conflicts that might be causing the Installer Worker to use excessive CPU resources.

  • Press the Window key  + R to open the Run dialog.
  • Type services.msc and press Enter. This opens the Services window.
  • Scroll down and locate Windows Update in the list of services.
  • Right-click on the Windows Update service and select Restart from the context menu.

Close the Services window and Check if the CPU usage has decreased.

Run Windows Update Troubleshooter

The Windows Update Troubleshooter is a built-in tool that can identify and resolve issues related to updates. It can detect and fix problems with the Windows Modules Installer Workers functioning, which could be contributing to high CPU usage.

  • Open the Settings app by pressing Win + I.
  • Go to System, Click on Troubleshoot then other troubleshooters
  • Click Run next to Windows Update to start troubleshooting.

Follow the on-screen instructions and Restart your computer after the troubleshooter has finished.

Run update troubleshooter

Reset Windows update components

The SoftwareDistribution folder is where Windows stores update files. If these files are corrupted, the Installer Worker might struggle to process updates efficiently, leading to high CPU or 100 Disk usage. Clear the update cache folder and restarting the related services allows Windows to recreate the necessary files and fix update problems include Windows module installer High CPU or Disk usage.

  • Press Windows + R, type services.msc and ok to open the services console,
  • Look for the Windows Update service, right-click and select stop,

stop update service

  • Now Press the Windows key + E to open File Explorer and navigate the following path, C:\Windows\SoftwareDistribution\Download
  • Here delete everything inside the download folder, Press Ctrl + A to select all then Hit Del key.

Delete windows update cache

  • Back to the services console And restart the services, you previously stopped (Windows update)
  • That’s all, restart your PC and check if there is no more high CPU usage by the Windows module installer.

Perform a Clean Boot

Sometimes third-party applications or services can interfere with Windows processes, including the Installer Worker. Performing a clean boot disables non-essential services and startup items, helping to identify if any third-party software is causing the high CPU usage.

  • Press the Windows key + R and type msconfig, and Press Enter.
  • In the System Configuration window, go to the Services tab.
  • Check the box labeled Hide all Microsoft services and click on Disable all to disable non-Microsoft services.

Hide all Microsoft services

  • Go to the Startup tab and click on Open Task Manager. Disable all startup items by selecting each one and clicking Disable.

Disable Startup Programs windows 11

Close the Task Manager and go back to the System Configuration window, Click Apply and then OK.

Restart your computer and check if there is no more 100 Disk usage by the Windows modules installer worker.

Run System File Checker and DISM command

If certain system files required for Windows Modules Installer Worker (TiWorker.exe) operation become corrupted, it may struggle to perform its tasks efficiently, leading to increased CPU usage as it attempts to repeatedly process the corrupted files. In such cases you need to repair corrupt system files, using the System File Checker (SFC) tool, and deploying DISM (Deployment Imaging Servicing and Management).

  • Press Windows key + S and type cmd, right-click on command prompt select run as administrator,
  • First, run DISM command Dism /Online /Cleanup-Image /RestoreHealth

Run DISM restore health windows 11

  • Lets it complete scanning 100%, once done run the system file checker command sfc /scannow

The above command repair the Windows image, checks for corrupted or missing system files and replaces them with cached copies located in the Windows component store.

Once the scanning is complete 100% restart your computer and check if this help fix High CPU usage on Windows 11.

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