Fix Windows Modules Installer Worker (TiWorker.exe or TrustInstaller.exe) High Disk, CPU, & Memory Usage on Windows 11 & 10

fix windows modules installer worker high usage on windows

One of the common issues in the Windows system is the sudden and unusual high disk, CPU, or Memory usage due to some system processes. One such case is linked to the Windows Modules Installer Worker process where Windows 11 and Windows 10 users experience high Disk usage. Alongside high disk usage, some users experience high CPU usage or even high memory usage.

If you are facing the same issue on your Windows machine then you can get it resolved by following the fixes mentioned in this fixing guide.

Can I End Windows Modules Installer Worker, TiWorker.exe, or TrustInstaller.exe process?

It is generally not recommended to end the Windows Modules Installer Worker (TiWorker.exe) or TrustInstaller.exe process, as they are important system processes that are responsible for managing and installing updates for Windows.

These processes may also be responsible for managing other system-level tasks such as managing user accounts and permissions. If you end these processes, it may cause problems with your system, such as preventing important updates from being installed or causing other system-level issues.

If you are experiencing issues with high CPU usage related to these processes, it may be better to troubleshoot the underlying issue rather than ending the process.

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How do I fix Windows Modules Installer Worker with high disk usage?

With that said, here are the ways to fix the Windows Modules Installer Worker causing high CPU, Disk, or Memory usage.

1. Kill the Windows Modules Installer process

If the Windows Modules Installer Worker aka WMIS process is weirdly consuming high resources, you should first try killing it.

  1. Open your Task Manager by searching for the same. You can also press the Ctrl+Shift+Esc key combination on your Keyboard.
  2. In the Task Manager windows switch to the Processes tab, scroll down and look for the Windows Module Installer Worker process.
  3. Select it by clicking on the process and finally click on End Task to kill.
  4. Once done, restart your PC and check if the resource usage is now under control or not.

2. Check if Automatic System Maintenance is running

If the System Maintenance is running on your PC then be patient and let the maintenance complete. Once the maintenance is done, restart your PC and you should now have the resources being used normally. To check whether the Maintenance is running or not, follow these steps.

  1. Open the Control Panel on your PC by searching for the same.
  2. In the Control Panel window, set the View by option to Small icons and click on the Security and Maintenance option.
  3. Click on the Maintenance option to expand it. You can see if the Automatic Maintenance is running.

If it is running then consider being patient and let the maintenance finish.

3. Delete the SoftwareDistribution folder

The SoftwareDistributaion folder is the place where Windows stores all the downloaded updates. It is possible that the files in this folder are corrupted or missing for some reason. To eliminate this possibility, you should consider deleting this folder.

To locate and delete this folder:

  1. Open Windows Explorer on your PC by pressing Win + E on your keyboard.
  2. Here, navigate to C:\Windows.
  3. Here, look for the SoftwareDistribution folder and delete it.

Once done, restart your PC and check if the issue is fixed.

4. Restart the Windows Update Service

The Windows Update Service handles pretty much all the processes related to updating your Windows. Restarting it might help in resolving the abnormal behavior of the Windows Modules Installer Worker process.

  1. Search for Services on your PC and open it.
  2. In the Services window, locate and open the Windows Update service by double-clicking on it.
  3. In the Windows Update Properties window, click on the Stop button to stop the service. Also, set the Startup type to Manual to prevent the service to start automatically.
  4. Finally, click on OK and check if the resource consumption is now under control.

For a better understanding, you can refer to our Windows Services guide.

5. Run the Windows Update Troubleshooter

Since the problem is with the Windows Updates, the in-built Windows Update Troubleshoot might be able to resolve your issue. To access the Windows Update Troubleshooter:

  1. Open the Windows Settings by pressing Win + I on your keyboard.
  2. Here, go to System > Troubleshoot.
  3. Next, click on Other troubleshooters.
  4. Here, from the list of troubleshooters, click on the Run button located next to the Windows Update option.
  5. Let the troubleshooter detect the problem and proceed by following the on-screen instructions.
  6. Once the troubleshooting is done, restart your PC.

6. Set TiWorker.exe & TrustInstaller.exe to Low Priority

You can lower the priority of the Windows Modules Installer Worker process by setting the TiWorker.exe and TrustInstaller.exe to low priority in the Task Manager. To do so:

  1. Open the Windows Task Manager by pressing the Ctrl + Shift + Esc key combination on your keyboard.
  2. In the Task Manager window, switch to the Details tab and look for the TiWorker.exe or TrustInstaller.exe programs based on which program is consuming the resources.
  3. Once located, right-click on it and select Set priority > Low.
  4. Once done, restart your PC.

7. Run DISM & SFC Scan

If the corrupted or missing system files are the cause of such high CPU, GPU, or memory usage, then you should consider running the Windows DISM and SFC Scans.

These scans will make sure to restore and repair any missing or corrupted system files. Please refer to our DISM, SFC & Disk Check scans guide.

8. Pause the Automatic Windows Updates

The Windows Modules Installer Worker process handles all the Windows updates downloading and installing on your PC. If you are in urgent need to use your Windows PC then you can try pausing the update to stop the Windows Modules Installer Worker process from running.

On your Windows 10 PC, go to Settings > Update and Security > Windows Update > Advanced Options and select any option from the Pause until drop-down menu. The Windows automatic update will get paused for that select time interval.

On Windows 11, go to Windows Update and click on the Pause for 1 week button next to the Pause updates option. Doing so will make sure to pause the automatic downloading of Windows updates for 1 week.

Bottom Line

In conclusion, if you’re experiencing high disk, CPU, and memory usage from the Windows Modules Installer Worker (TiWorker.exe or TrustInstaller.exe) on your Windows 11 or 10 device, there are several troubleshooting steps you can take to fix the issue. These include checking for updates, disabling the service, and running the Windows Troubleshooter.

If none of these solutions work, it may be necessary to contact Microsoft support for further assistance. We hope this guide was helpful in resolving your issue and that your device is now running smoothly.

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Posted by
Bhanu Pratap

Hi! I am Bhanu Pratap, co-founder of Yorker Media Group. A die-heart fan of tech and keeps track of every little happening of the same. When not writing, I usually keep myself busy on YouTube making and exploring new and awesome tech content.

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