Windows Modules Installer Worker High CPU Usage [Fixed]

What if any backend process suddenly starts eating more than 80% of your system usage? It is obvious that your system will work really slow and it will take you minutes or even hour just to perform small tasks like copying any file from one place to another or starting any new program on which you want to work on. Windows Modules Installer Worker or TrustedInstaller.exe is one of those processes which can affect your system with its high usage. It will not only make your device slow but it won’t let you perform any other task on your system too.

Windows Modules Installer Worker

Now you must be thinking that what exactly is wrong with this process? Windows Modules Installer Worker is a service which monitors the logs and installation of Windows updates. Well if you are updating your Windows or updating your device drivers or even if you are installing any new programs or games on your system, this service will surely take more than around 50% of the total usage. We have seen many people on the Internet complaining about this issue.

It is also known as tiworker.exe.

Window Modules Installer Worker is a system of Windows. It is built in the system and it comprises 50% of the CPU.

Now, what does a Window Modules Installer Worker does?

Its main task is to look for installations and updates. It has an important task to perform but sometimes it can cause trouble in Windows 8 and 10.

When you work on your computer or using the internet, you might sometimes notice that your computer heats up. And to cool down that heat, the fan starts spinning at the full speed. This is nothing but Window Modules Installer worker using a lot of energy of the CPU in checking and looking for updates while you are working.

What are the Error and Results?

As most of the CPU’s energy is gone in windows module installer process, your computer becomes slow and unresponsive.

At this point, you get frustrated because doing a simple task like opening a new tab takes a lot of time.

You might close other Tabs to make it work faster, but that doesn’t really work. In extreme cases, the computer freezes and just simply rebooting the computer also fails.

So what to do?

How to Fix Window Modules Installer worker high CPU usage?

Well, here in this guide we will show you some solutions through which you can quickly solve up this problem. We have tried to explain every method practically in detail. So let’s start without wasting up more time.

Method 1: Stop automatic updates.

You can stop automatic updates by changing the default setting of updates to ‘manual’. For doing this, follow the given steps.

  1. Press Window+R key and type Services.msc and hit Enter from your keyboard.Services.msc
  2. It will list all the services which are currently running in your system.
  3. Scroll down and find Window Modules Installer service.
  4. Double click Window Modules Installer Service.
  5. Then select the Manual option available in the drop-down list.Windows Modules Installer Manual
  6. Now again open up Services.msc and search for Windows Update.
  7. Double click on Windows Update and chose Manual option here too.Windows Update Manual
  8. Press windows button from your keyboard and click Control Panel.
  9. In control panel, click on Update & Security.update and security windows 10
  10. Select Windows Update.
  11. Click on Change Settings on the left.
  12. Click on ‘Check for updates but let me choose whether to download and install them’.Check for updates but let me choose whether to download and install them
  13. Click okay and restart your system to make sure all the changes are done successfully

Method 2: Fix Tiworker.exe

Follow the given steps if setting manually didn’t work for you.

Press window key and Enter troubleshooting in the search box.

On the left side, click on the view all option to move to the succeeding page.

Find system maintenance and click on it. This will help find errors on the computer. Restart the computer, and you might get the solution.

Method 3: Rebooting the computer

Many people reboot their computers when something goes wrong. However, it might not work all the time.

By doing a clean reboot, you will get rid of the junk and perform functions more responsively.

After rebooting your computer, follow the steps that will help you fix Window Modules Installer worker issues.

  1. Press the Windows + R button and type msconfig.exe and hit Enter from your keyboard.msconfig.exe
  2. Checkmark the Normal Startup and click Ok.Normal Startup Msconfig
  3. Restart your computer and you’ll see the result.

Method 4: Delete Software Distribution folder

When Windows is downloading new updates for your system, it always downloads them in the folder known as Software Distribution and after that, it uses that folder to install those updates. Sometimes, those updates are not properly downloaded and due to that Windows face issues while installing them in backend and we are not aware of that and that results slowing down our system.

To solve this problem, we have to delete the folder.

The path of that following folder is


Copy and paste the path directly in your File Explorer or else you follow the steps below to find it.

  1. Open My Computer.
  2. Go to Local Disk(C) drive or in which you have installed your Windows OS.
  3. Inside that drive, you will find the Windows folder.
  4. Note: You should never mess with folder without taking any precautions and it might corrupt your system.
  5. Search for the Software Distribution folder and delete it.Windows SoftwareDistribution
  6. As usual, restart the computer to see the results.

Method 5: Disable the Window Modules Installer.

This sounds scary because we previously read that it performs an important part of installation and updating. Disabling the Installer would also make your computer vulnerable to scams and threats.

For this, you would be requiring a metered connection to stop updates.

Wholly, it’s a risky thing to do, as it puts your computer at risk and so should be considered as the last option.

Also ReadWindows 10 Microsoft Compatibility Telemetry High Disk Usage

Final Words

All these steps would help you fix the Window Modules Installer worker high CPU usage error. We hope this article was useful to you. We have tested all the solutions mentioned above and all of them has worked, you just need to figure out where exactly the problem is originating. If you still face problem then please write us back in the comment section and we will respond to your query.

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