Solutions: Windows Modules Installer Worker High CPU You Should Try in 2024

Solutions: Windows Modules Installer Worker High CPUIf you’ve noticed your Windows PC running slowly or experiencing high CPU usage, the Windows Modules Installer Worker might be the culprit. In this article, we’ll explore the causes of high CPU usage by Windows Modules Installer Worker and provide solutions to alleviate the issue.


The Windows Modules Installer Worker, also known as “TiWorker.exe,” is a crucial component of the Windows operating system responsible for managing system updates. It ensures that your system remains up-to-date by installing, modifying, and removing Windows updates and optional components.

Understanding High CPU Usage by Windows Modules

High CPU usage by the Windows Modules Installer Worker can significantly impact system performance, causing slowdowns, lag, and unresponsiveness. This issue often occurs when the service is actively D.L , installing, or verifying updates in the background.

When the Windows Modules Installer Worker consumes a large portion of CPU resources, it can lead to degraded system performance. This can manifest as slow application launch times, sluggish multitasking, and overall system instability, making it challenging to perform tasks efficiently.

Fix Windows Modules Installer Worker High CPU

Method 1: Convert Windows Installer Startup Type as Manual

Step 1: Press Windows plus R key to open the management window. Type services.msc and click OK in the pop-up window to open Windows Services.

Step 2: Find Windows Modules Installer Worker in the services list at first. Then right click it and choose Properties from the drop-down menu or just double click the Windows Modules Installer Worker service.

Step 3: Click Manual option from the Startup type list and click OK.

Method 2: End the TiWorker.exe Process

Step 1: After clicking the Start button, choose Task Manager in the menu list.

Step 2: Drop down the procedure list in the Details tab to find the TiWorker.exe. Click End task after right clicking the TiWorker.exe file.

Method 3: Delete the SoftwareDistribution Folder

Step 1: Press Windows and R key at the same time, then type services.msc in the pop-up window.

Step 2: Find the Windows Update option from the services list and stop the service.

Step 3: Click the OK button after typing the C:\Windows\ command in the Run window.

Step 4: Scroll down the Windows files to find the SoftwareDsitribution folder, then delete it.

Step 5: Reboot your computer and check the Windows Update. After that, you can check whether the high CPU usage is fixed.

Method 4: Use Windows Update Troubleshooter

Step 1: Type control panel in the search window, then open the control panel page. Find Troubleshooting from the All Control Panels Items page.

Step 2: Choose the Fix Problems with Windows Update link under System and Security in the Troubleshooting page.

Step 3: Click Next to continue the process, then the program will start to detect problem on the computer. After the process finishes, you can check whether it resolves the Windows modules installer worker high CPU usage error.

Method 4: Reset PC

Step1: Now, let’s beagin to reset your PC. Click the Start button from Recovery option.How to rest pc

Step 2: Choose the Keep my files option (to avoid data loss) to continue the resetting process. Additionally, you can click Remove everything if you have backed up your important data.

Causes of High CPU Usage by Windows Modules Installer Worker

Several factors can contribute to high CPU usage by the Windows Modules Installer Worker:

  • Large or frequent Windows updates: If your system is D.L and installing a significant number of updates, it can strain the CPU resources.
  • Update-related tasks: The Windows Modules Installer Worker may be performing intensive tasks such as verifying update integrity or applying system changes, leading to increased CPU usage.
  • Background maintenance activities: The service may be running background maintenance tasks, such as disk cleanup or system optimization, which can temporarily spike CPU usage.

How to Identify Windows Modules Installer Worker High CPU Usage

You can identify high CPU usage by the Windows Modules Installer Worker using Task Manager:

  1. Right-click on the taskbar and select “Task Manager” from the menu.
  2. In the Task Manager window, click on the “Processes” tab.
  3. Look for “Windows Modules Installer Worker” or “TiWorker.exe” in the list of processes.
  4. Check the CPU column to see the percentage of CPU usage by the process.

Tips to Reduce High CPU Usage by Windows Modules Installer Worker

To reduce high CPU usage by the Windows Modules Installer Worker, consider the following tips:

  • Schedule updates during off-peak hours: Configure Windows Update settings to install updates during times when you’re less likely to be actively using your computer.
  • Pause updates temporarily: Use the “Pause updates” feature in Windows Update settings to temporarily halt update installations until you’re ready to resume them.
  • Optimize update settings: Adjust Windows Update settings to prioritize critical updates and delay non-essential updates to reduce the frequency of high CPU usage events.

Troubleshooting Steps for Resolving High CPU Usage

If you’re still experiencing high CPU usage by the Windows Modules Installer Worker, try the following troubleshooting steps:

  • Run Windows Update Troubleshooter: Use the built-in Windows Update Troubleshooter to identify and fix any update-related issues automatically.
  • Check for corrupted update files: Use the Deployment Image Servicing and Management (DISM) tool to scan for and repair corrupted system files that may be causing high CPU usage.
  • Perform a system scan: Run a full system scan with your preferred antivirus software to check for malware or viruses that could be affecting system performance.


High CPU usage by the Windows Modules Installer Worker can significantly impact system performance and user experience. By understanding the causes of this issue and implementing the provided solutions, you can effectively reduce CPU usage and ensure the smooth operation of your Windows PC.

Managing Windows updates and optimizing update settings can help minimize the frequency and intensity of CPU usage spikes by the Windows Modules Installer Worker. Additionally, regular maintenance tasks such as disk cleanup and system optimization can contribute to overall system stability and performance.

If you continue to experience persistent high CPU usage despite troubleshooting efforts, consider seeking further assistance from Microsoft support or consulting with a professional IT technician. Remember to stay vigilant for any signs of malware or system corruption that may contribute to high CPU usage and take appropriate action to address these issues promptly.

By taking proactive measures to manage and optimize the Windows Modules Installer Worker’s CPU usage, you can ensure that your Windows PC operates smoothly and efficiently, allowing you to focus on your tasks without interruption.


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