Windows Modules Installer Worker High CPU ( 6 Solutions to apply)

This is a Genuine windows service play crucial role in maintaining and updating the Windows components, including installing updates, patches, and system files.

Windows Modules Installer Worker or TiWorker.exe High CPU or Disk Usage in Windows 11? This makes Windows 11 unresponsive, freezes, Files & folders or Apps won’t open at startup. Users report the computer is slow or not responding after the Windows 11 update, upon checking the task manager it’s Windows Modules Installer Worker High CPU or 100 Disk usage. In this article, we explore, what is Windows modules installer worker, is it safe to disable it. How to Fix Windows Modules Installer Worker 100 Disk or CPU usage on Windows 11.

What is Windows Modules Installer Worker?

Windows Modules Installer Worker or TiWorker.exe is a Windows Update Service that runs when your computer checks for new updates, as well as downloads and installs those updates into your Windows PC. Also, TiWorker.exe completes the various tasks that are needed after an update to Windows. Well, once the update process completes it terminates all the resources that are necessary for an update. But sometimes due to technical glitches these resources keep running background which causes high CPU or Disk usage on Windows 11. Again sometimes corrupted system files, virus malware infection or buggy updates also cause 100 CPU update problems as well.

Its primary functions include installing updates, patches, and system files to ensure your Windows environment remains up-to-date and secure.

Is Windows Installer Worker a virus?

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Windows Modules Installer Worker (TiWorker.exe) is not a virus. It’s a legitimate component of the Windows operating system responsible for managing updates and installations. However, if you have any doubts, running an antivirus scan can help provide reassurance and verify the integrity of your system.

The reason behind High CPU or Disk usage?

Several factors cause High CPU or disk usage on Windows 11, Windows Updates Overload, Unreliable Internet Connection, Corrupted System Files, Hard Disk Drive Issues or Third-Party App Interference are common.

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  • Inconsistent internet during updates can lead to incomplete tasks, causing the installer to struggle and resulting in high CPU or 100 disk usage.
  • Certain third-party applications can conflict with the installer, intensifying disk activity and causing disruptions.
  • System file corruption disrupts installer operations, leading to excessive disk usage during updates.
  • Problems or bad sectors on the hard disk can slow down read and write operations, amplifying disk usage during updates.
  • Malware compromises system processes, including the installer, leading to abnormal CPU or disk usage.

Windows modules installer worker High CPU

If you Windows modules installer worker 100 disk or CPU usage, give it time to complete its tasks before taking further action. Again a simple system restart can work wonders by stopping ongoing processes and freeing up resources. This often resolves temporary resource spikes.

Install Pending Updates

Most of the time this problem causes if there is any Windows update that is pending for installation or the Windows app is stuck installing. Let’s first check for and install any Windows updates waiting for install and update apps as well.

Ensuring your system is up to date helps fix potential conflicts that may lead to high CPU usage.

Update windows 11

  • Press the Windows + I to open the settings app,
  • Go to Windows Update and hit the check for updates button,
  • If new updates are available or pending there, allow them to download or install on your PC
  • Once done you need to restart your PC to apply them.

windows 11 update

Update Microsoft Store apps

  • Open the Microsoft Store, select Library from the bottom left corner of your screen
  • Click on Get Updates to check for and download all the app updates on your system.

Update store apps

Run Windows Update Troubleshooter

Windows modules installer worker or tiworker.exe service is related to Windows update, and running the built-in tool Windows update troubleshooter automatically detects and resolves issues related to the update process. Running this troubleshooter is highly beneficial, as it identifies underlying problems that might contribute to high CPU usage.

  • Press the Windows key + X and select settings
  • Go to System then Troubleshoot and click on Other troubleshooters,
  • Now click Run next Windows update and follow on-screen instructions to detect and fix any issues related to Windows Update.

windows update troubleshooter

This will identify if any problems exist which prevent your computer from downloading and installing Windows Updates. Clear the Windows Update-related temporary files, clear the contents of the SoftwareDistribution folder, check the status of Windows Update-related Services, and repair and reset Windows Update components.

Once the diagnosis process completes, restart your PC and check the CPU usage comes to normal.

Stop Windows update service

Temporarily disable the Windows update service and check if this helps reduce the CPU usage by the Windows modules installer worker (tiworker.exe high cpu).

  • Press Windows key + R, type services.msc, and click ok,
  • This will open the Windows services console,
  • Scroll down and locate the Windows update service,
  • Right-click  on Windows Update service and select stop,
  • Now double click on Windows update service to open its properties and change the startup type to disable.
  • Click Apply and ok to make save the changes

Stop windows 11 update service

Reset Windows update cache

If nothing helps, clear the Windows update cache following the steps below, which may help if the corrupted buggy update cache causing the problem. This process eliminates potential barriers to successful updates, providing a clean slate for installations.

When conflicts arise due to corrupted update files or misconfigured settings, manually resetting Windows Update components can be a effective solution.

  • Again open the Windows services console using services.msc, right-click on Windows Update Service select stop,
  • Now open File Explorer using Windows key + E, and Navigate C:\Windows\SoftwareDistribution\Download
  • Delete all files & folders inside the download folder, press Ctrl + A to select all then hit del key.

Clear windows 11 update cache

Again open the Windows service console and start the update service.

Note: don’t worry about Update cache files, next time when you check for Windows updates this will download a fresh copy from the Microsoft server.

Disable Automatic Maintenance

Also, disable automatic maintenance running from the backend which probably frees up system resources and helps fix high CPU usage problems as well.

  • Open the control panel, go to System and Security then Security and Maintenance.
  • On the next screen, you will notice a few options on the left sidebar, click Change Security and Maintenance settings.
  • Then Deselect Automatic Maintenance and lastly, click OK to disable the service.

Disable Automatic Maintenance

Check system file corruption

Again if Windows system files are corrupted or missing you might experience different problems, System freezes or Windows 11 slow performance. Run DISM command and system file checker utility that repairs the system image and restores corrupted system files with correct ones.

This will scan identifies and repair corrupted or missing system files, which could be contributing to abnormal CPU usage.

  • Open the command prompt as administrator,
  • Type the command DISM /online /cleanup-image /restorehealth then press the enter key, this will diagnose and repair the system image for corruption.

DISM restore health command windows 11

  • Once the scanning process is 100% complete run the system file checker utility command sfc /scannow and hit the enter key.
  • This will scan for missing corrupted system files and restore them will correct ones from a compressed folder located on %WinDir%\System32\dllcache.
  • And finally, restart your PC to take effect the changes.

In addition, open task manager using, TiWorker.exe and switch to the ‘Details’ tab. Look for the TiWorker.exe process, right-click on it hover over the ‘Set priority’ option and select the ‘Low’ option.

Sometimes third-party software or services can also interfere with the system settings that result, Windows modules installer Worker 100 disk or CPU usage. Performing a clean boot essentially starts your computer with a minimal set of drivers and startup programs, which can help identify if third-party applications or services are causing the CPU usage problem.

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