Fix Windows Modules Installer Worker High CPU and Disk Usage

fix windows modules installer usage

Windows 10 is an amazing OS without any doubt. But it also comes with its own share of problems and issues. One of the frequently encountered problems on any windows version is Windows Modules Installer Worker High CPU and Disk Usage.

On checking Task Manager, you may notice something called Windows Modules Installer Worker CPU and Disk Usage is extremely high, more than 50% to be precise. In certain scenarios such high disk utilization results in freezing of other processes leading to system lag and in fatal cases system crash.

How to fix Windows Modules Installer Worker?

The Windows Modules Installer Worker or WMIW sometimes represented as TiWorker.exe is a process which continuously monitors update checks for Windows and installs them on to your system. But many time it causes a severe processor overhead resulting in freezing of other processes thus, maximizing disk utilization to 100%.

Also Read: Fix: How to Fix Driver Power State Failure in Windows 10

This causes system lag and your computer may also end up getting hanged. Much to your dismay, restarting your PC also takes a huge time. In order to fix this issue, you must follow the steps below:

Step1: Perform some check beforehand

Prevention is often better than cure. It is always better to check things in advance before they go awry. So perform the below checks in order to reduce the disk utilization by Windows Modules Installer Worker (WMIW).

  • Check if Scheduled Automatic Maintenance task is running. In order to view these setting, Open Control Panel. Navigate to Security and Maintenance. Here you will find an option Automatic Maintenance. You can choose to disable it but if it running give it a few minutes to complete before you proceed ahead.
  • Sometimes the High CPU usage is also caused by Windows Update service. To get rid of the same turn off the settings for automatically checking for updates. Always manually check if new updates are available and install them.
  • Not only Windows service but viruses may also cause high CPU usage and disk utilization. Run your antivirus and scan for any malware and remove them if discovered.

Step2: Kill TiWorker.exe task in task manager

After making the necessary checks open task manager on your computer to kill the WMIM task. However, most of the times killing the process doesn’t fix a thing. Post some time you will notice that is a recurring case. Under such situation, it becomes imperative to stop the service itself.

Follow the steps below to kill the WMIM process from task manager and stop the service.

  • Open Task Manager by right-clicking on the Taskbar at the bottom of your screen and selecting the Task Manager option.
  • Select the TiWorker.exe under Processes tab and click on End Task to kill the process.
  • However, if the problem persists and keeps on recurring, press Windows + R key. Type
    services.msc and click on okay to navigate to the services.
  • Once the window titled Services open, search for Windows Modules Installer. The list of the services is sorted alphabetically by default.
  • Now double-click on the Windows Modules Installer to open a pop-up window for the settings corresponding to this module service
  • Change the mode of the service from Automatic to Manual. Also, click on the Stop button under Status section to stop the service. Click on Okay button once you are done. Windows Modules Installer Worker setings
  • It is also advisable to turn off the Windows Update service which is set to run automatically. Search for Windows Update and double click once you find it.Windows update service
  • Change the mode to Manual from Automatic and click on Stop button. Proceed by clicking the Okay button to stop the service.

These steps should help to fix the issues with Windows Modules Installer Worker and reduce CPU and Disk usage. However, this will disable automatic checks for windows update. Thus, you must check for windows updates periodically to keep your system up to date. If the settings do not reflect immediately, reboot your computer and the changes will be reflected.


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