Windows Modules Installer Worker High CPU | 100% Working Solution

Many people face high CPU usage issues because of the Windows Modules Installer. There are tools and software available online using which high CPU usage can be tackled. One of these tool is Windows Modules Installer Worker that helps in reducing the CPU usage.

Windows Modules Installer Worker High CPU

The function of Windows Modules Installer Worker

While your system is checking for updates, Windows Modules workers might become unresponsive, leading to Windows module worker high CPU usage. However, before applying any methods, check if the scheduled Automatic Maintenance task is turned on or not. If the task in under progress, you will have to wait for the task to complete. You can go to the Control Panel and find its settings. And follow these steps-

  1. Click on All Control Panel Items
  2. Go to Security and Maintenance
  3. Visit Automatic Maintenance

If you notice a high CPU usage, it might be because your Windows automatic update is running. So, wait for sometimes or try to scan your PC with an antivirus if the issue is due to malware.

Windows Modules Installer

Windows Modules Installer Worker is a built-in Windows tool that checks for available Windows updates. Updates are necessary to fix glitches and bugs, so this Windows tool is an important feature of Windows. To perform its task, it runs in your background and sometimes when it becomes unresponsive, it can cause high CPU usage. There are few effective solutions that can work on your hot CPU.

Change it to Manual Windows Update:-

This can be a problem with your Windows automatic update; that is if the button is turned on, you need to turn it off. Not only for Windows 10 users though, but this Windows modules installer worker error can also occur in Windows 7 as well. Therefore, we need to stop the process from running in the background and using too much of the system memory. Follow the steps below to update-

  1. Press the Windows button and R together
  2. Type ‘services.msc’ on the space that appears and press Enter
  3. Search for ‘Windows module installer’ in the new window
  4. Locate it, then double-click on it and find ‘Startup Type’
  5. Change it from ‘automatic’ to ‘manual’. and click OK to save
  6. Go back to the services.msc window and locate ‘Windows Update’ then set that to ‘manual’.
  7. This step also requires you to double-click on it and change the startup type
  8. Open Control Panel and find Windows Update
  9. Open the Update window and visit ‘change settings’.
  10. You will be able to change the way you want Windows update to process
  11. Select ‘check for update but let me choose whether to download and install them’ and click OK
  12. Reboot your computer and when it starts again, the manual update process will be updated.

This method proves to be successful in removing the Windows modules installer CPU usage error in most of the cases. However, you should check Windows update manually on a regular basis. Since you have changed it from the automatic mode, it won’t update your OS if you don’t co-operate.

Change Your Wifi Network:-

If you change your internet connection on PC, the Automatic Windows update will be stopped. You can either change your Wifi network or ethernet network.

  1. Go to Start
  2. Go to Settings > Network & Internet > Wi-Fi > Advanced Options
  3. There is an option that reads Set as metered connection, click below the button

If the above steps do not solve the problem, then there might be some issues with the ethernet network. Follow the steps below to resolve the problem-

  1. Open the run box by pressing Windows and R together.
  2. Type “regedit” on it and click OK.
  3. A prompt box will appear,Click Yes.
  4. When the new window opens, navigate to HKEY_LOCAL_MACHINE > SOFTWARE > Microsoft > Windows NT > CurrentVersion > NetworkList > DefaultMediaCost
  5. Find the DefaultMediaCost option and right-click on it
  6. Choose Permissions
  7. Hit the Add button and enter your user name in the text box that comes under the Enter the object names to select
  8. Tap on Check Names option
  9. Click OK and check the box under Allow and enable Full Control
  10. Press OK tab and restart your computer.
Windows Modules Installer Worker High CPU

After restarting your computer, you will be able to fix the problem easily but if the problem still persists, follow the steps given below.

Fix TiWorker.exe:-

This case is applicable when you change your Windows update settings from automatic to manual. Sometimes the Windows Modules Installer caused high CPU usage in this case. So, you will have to repair the TiWorker.exe to resolve the issue. This is an executable file that is built for Windows update and if your Windows installer is causing 100% CPU, then you can just fix the executable file. Follow the procedure below-

  1. Go to your Windows search box and type Troubleshooting
  2. Select the option
  3. If you are using Windows 7 version, open your Control Panel and type Troubleshooting there
  4. New options will come from where you will have to click on View All
  5. Find System Maintenance from the new window that comes
  6. Restart your system

Try a Different Method

If the above method does not work, you can simply perform a clean boot to your system. A boot in many cases has solved various Windows errors. And it is also effective in the Windows Modules Installer Worker High CPU issue. Just hit your Windows button and enter msconfig.exe. from there, then select normal startup, then press OK. Simply follow the on-screen instructions.


How to end the Windows modules installer worker process?

The Windows Module Worker is a vital system component but if you are facing problems with it, then you can end its tasks. Windows Modules worker works in the background while checking for Windows update. And if that causes a high CPU usage, then you can disable it. Press Ctrl+Shift+Esc simultaneously to open the Task Manager window. Find Windows Modules Installer Worker and right-click on it. Then select End Task.

However, this process does not help much and when you restart your computer, the problem might come back.

Windows Modules Installer Worker High CPU

What does Windows Modules Worker in Windows 10 do?

If you are using Windows 10, then you will find the TiWorker.exe in your device hard drive. It checks for Windows 10 updates and installs them on your machine. And during the process, it can cause high CPU usage.

Why is WI stopped working?

If you think that your Windows modules installer worker is not responding properly, restart it. Here are the steps given, try them-

  1. Open the run box by typing Run in the search option
  2. Enter MSIExec in the run box
  3. If the Windows Installer window shows you details about MSIExec, then you don’t have to worry about anything
  4. However, if an error occurs, you will have to start it manually
  5. From the taskbar, right-click to open the Task Manager
  6. Click on Switch to Serves
  7. Find the msiserver option and start it

What is Windows modules installer worker high CPU?

Windows Module Installer Worker is a tool to check available updates in Windows which are necessary to fix any glitches and bugs. It runs in the background and sometimes becomes unresponsive. This causes high CPU usage. 

How do I stop Windows module installer?

You can stop windows module installer by changing it to manual updating. This will ensure that it does not start automatically. 

  1. Open Run window by pressing windows button and ‘R’ together
  2. Type ‘services.msc’ and press enter
  3. Search for ‘windows module installer’ and open it
  4. Go to ‘start up type’ and change it from automatic to manual
  5. Save changes
  6. Go back to ‘services.msc’ and search ‘windows update’
  7. Change it to manual by repeating the process in windows module installer
  8. Go to control panel and select windows update
  9. Click on ‘change settings’ 
  10. Select ‘check for update but leet me choose whether to download and install them’ and save changes
  11. Restart your computer 

Is 100 disk usage bad?

Yes, it is bad for your computer as 100% disk usage will cause your computer to slow down and lag. It might become unresponsive too. Hence, you should immediately find the program which is causing such high usage and end it using task manager. 

Why Windows Installer is not working?

Windows installer will not work if you disable it from automatic to manual, in this case you will need to update the program regularly yourself. It can also not open if the engine is installed incorrectly or corrupted. You will then need to fix this corruption. 

Can I end windows modules installer worker?

Yes, you can end it by changing the settings to manual from automatic by following the process specified above. However, you will then have to ensure that programs get updated regularly by running the module yourself from time to time. 

Why is my disk at 100%?

Your disk will be at 100% due to various reasons. Some of those include limited RAM in your drive, overworked drives, viruses and malwares. If your disk usage is at 100% it means that your drive is overworking to complete all the tasks and you might have opened to many programs on your computer at once. 

How do I know if Windows Installer is running?

If you want to check if windows installer is running the background while you work on your computer you can perform the following steps to check it – 

  1. Right click on taskbar
  2. Select ‘task manager’ 
  3. Check if windows installer is running in the background programs 

Why does Windows Installer keep popping up on my screen?

Windows might keep popping up on your screen due to windows configuration issues, prompts to install updates or malware. To stop it from happening you can prevent windows installer from prompting you by setting it to automatically install updates or by changing the setting to manual. To solve the issue caused by malware you can run an anti-malware in your computer. 

These should help you resolve the Windows Modules Installer not working or causing high CPU usage error. If you know about a different working method to resolve Windows Modules Installer Worker High CPU, let us know that in the comment box below.

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