Fix: “Windows Modules Installer Worker” Showing High Disk Usage

Working on your computer for a long time can give you sudden glitches and causing high CPU usage in Windows 10. When you experience that PC is running with full fan speed it can be caused due to Windows Modules Installer Worker. It usually creates a lot of heat by consuming most of the disk resources. It can be found in your Windows task manager using a lot of CPU by the name of TiWorker.exe.

Windows modules installer worker

Windows Modules Installer Worker

Windows Modules Installer Worker or TiWorker.exe is the process of installation, modification, removal or execution of Windows Updates. These Windows updates are released by Microsoft on a weekly or monthly basis. All the updates released by Microsoft are important. For the proper functioning of the computer, it is necessary that you install updates.

Windows modules installer starts executing the important updates by itself. Usually Windows 10 downloads and installs all the updates as soon as they are released from Microsoft. All the Updates that are to be installed or uninstalled needs the Windows Modules Installer Worker to start working.

In Windows 10, windows modules installer service is referred by the name of tiworker.exe. It can be found in task manager by the referred name consuming high CPU usage. As Microsoft usually releases updates weekly, you can experience high CPU usage and tiworker working every week consuming a lot of CPU. You can simply restart your computer to overcome high disk usage errors. But in order to eliminate it permanently follow the article below. Akamai Netsession is also one of the reason.

Windows Modules Installer Worker High Disk Usage

There can be many reasons that can cause high CPU usage on your computer. One of the main and most valid reason is Modules installer in Windows 10. Whenever system update files are installed, windows modules installer worker high disk usage makes the computer to freeze and create a lot of heat. Due to this reason, the fan of CPU starts rotating at high clock speeds.

When you do not disturb the process and simply let your computer work at high speed eventually the windows update gets installed completely. Depending on the size and type of Windows update CPU consumes high disk usage and is proportional with the time it will consume.

Enable / Disable

It is a main point of concern that either you should let it enabled or simply disable it from your windows. There are many forums and blogs claiming that the best way to get rid of Windows modules installer worker is disabling it. But we would say that if you disable it then your PC will become outdated. As this tool works on automatic download and installation of Windows updates.

When you disable tiworker.exe (windows modules installer worker) your pc will soon become outdated because all the updates will stop from being downloaded automatically. In such cases, you have to update your Windows manually and you can miss many important updates. This can also harm your PC and make it vulnerable to threats.


Since windows modules installer is part of windows system tools in Windows 10, it is not a threat. This is a completely safe tool use for windows updates. It consumes a large CPU memory as it installs the Windows updates in the background. Many times antivirus may show it as a threat because when it consumes high CPU, antivirus marks them a threat for consuming high CPU.

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Disk Usage

Windows Modules Installer Worker High CPU / Disk usage is caused when it has been running for a long time. Usually, the high Disk Usage appears when any of the broken update files start getting installed and windows update gets stuck in the middle process. There are many steps that you can opt in order to eliminate high disk usage. The simplest option is to restart the computer.

Moving to secondary options then you can also opt for Windows troubleshooter to get rid of High CPU usage in Windows 10. Windows troubleshooter can fix the problems related to Windows by scanning for the solutions automatically. To run it on Windows 10, head to Settings > Update & security > Troubleshoot > Windows Update > Run the troubleshooter. Apply any fixes the troubleshooter suggests.

FIX: Windows Modules Installer Worker Errors / Problems

Following are the methods to completely fix the problem:

Fix 1: Clean Reboot PC

This is the most basic method by which Windows modules installer worker can be refreshed using Clean reboot. When a computer is rebooted, all the system files and windows tools get restarted. A clean reboot refreshes the cookies and deletes all the temporary junk files. This will initially delete all the system update files. System update files download automatically once connected to the internet again.

Following are steps to clean reboot PC

  1. Press Windows Key or Start Menu
  2. Type Run and open it
  3. Type msconfig.exe and open it
  4. Click on ‘Normal Startup’ and press OK
  5. Restart your PC for changes to take effect.

Fix 2: Switch to Metered Connection

Windows Modules Installer Worker Windows 10 can be disabled from windows settings. It is also a nice and sound option but is dangerous for PC. When you disable TiWorker.exe, updates will no longer be available for Windows. After switching to these settings windows will not be able to install any more updates.

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Switching the available internet connection to metered connection is another basic way. When an internet connection is switched to Metered connection, it will stop the execution of all automatic downloads. It will also stop the update download for antivirus and will make PC outdated. As a result, the computer will be more prone to threats and spam attacks. You need to keep track of all updates and download them regularly.

Fix 3: Switch Windows Update Setting to Manual

When windows update are selected to manual Windows Updates will not download automatically. It can eliminate the windows modules installer worker high disk problem. Keep a note that with manual updates, the computer shall be checked for updates manually once in a week.

Follow the steps below to switch automatic updates to manual:

Windows modules installer - msconfig

  1. Click on Windows Key along with R to open ‘Run’ function
  2. type ‘Windows modules installer worker’ or ‘tiworker.exe’
  3. open ‘Windows modules installer worker’ by double click
  4. From the dropdown menu, select ‘manual’ as an option and Select OK
  5. Close the windows and open ‘Run’ againWindows modules installer disable
  6. type ‘Windows Update’
  7. click and a new window will open,
  8. select manual updates in the Windows update section
  9. Press apply followed by OK.

Now automatic update setting will no longer download updates automatically. Without update files, windows modules will not execute. This is also a nice and sound solution. Microsoft Telemetry Compatibility can also support the user in this process.

Fix 4: Disable TiWorker.Exe

After switching the windows update settings from automatic to manual if the high CPU problem still persists, then alteration in Tiworker.exe settings can solve the problem. Follow the below-listed steps to alter tiworker.exe settings.

Windows menu

  1. Press the Windows key and type ‘troubleshoot’
  2. Open the troubleshoot windows
  3. now type ‘Windows Modules Installer worker’ in the search barwindows modules installer worker high disk usage
  4. Click on the settings
  5. Your troubleshooter will detect tiworker as an error in settings
  6. now click on system maintenance and select option to find solutions online
  7. The process should take about a minute. troubleshooting
  8. Restart your computer after the process.

This should solve the problem. If it doesn’t, move to the next method.

Fix 5: Remove Software Distribution Folder

All the windows updates files are stored in ‘Software Distribution Folder’ until they are installed. This folder is present in the ‘C’ drive in ‘Windows Folder’. In the list, you will find a folder named ‘Software Distribution’.

software distribution folder

If all the contents in the folder are deleted, then there are no more windows update files left over the PC. Windows Modules Installer stops working immediately because there are no more files left to be processed.

Fix 6: Disable Service Host Superfetch

Another way to stop High CPU usage or Stop Windows Modules installer from working is by using Service Host Superfetch. This is also a valid solution for High Disk usage. It can also stop Windows Modules to get stuck.

Summing Up:

Windows Modules installer worker is one of the reasons for High Disk Usage in Windows 10. The tool runs in the background and installs windows update files. It sometimes can get stuck when an updated file is corrupt. In such cases, it consumes high CPU usage and lastly comes up with an error.

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