Windows modules installer worker High CPU Usage (8 solutions)

The Windows Modules Installer Worker (TiWorker.exe) is a system process that is responsible for installing Windows updates and managing system components. This process runs in the background, especially when your system is checking for, downloading, or installing Windows updates. However, sometimes you may notice Windows Modules Installer Worker High CPU particularly if there are issues with update installation, corrupted system files, or if the system is trying to apply multiple updates at once. If you are also experiencing similar problem, TiWorker.exe High CPU, here are a few partial solutions to resolve the issue on Windows 11/10.

Windows modules installer worker, runs in the background immediately when your computer checks for windows updates or other programs to update.

Modules Installer Worker High CPU

As discussed, there are several possible reasons why the Windows Modules Installer Worker might be consuming a lot of CPU, pending updates, corrupted system files or problems with update files are common.

• Most of the time pending Windows updates are the common reason why Windows Modules Installer Worker causes 100 CPU usage.
• If for some reason update files are corrupted or incomplete, or system files are corrupted it may get stuck trying to process them, leading to continuous high CPU usage.
• Again Problems or errors within the Windows Update system itself can cause TiWorker.exe to loop or repeatedly attempt to apply updates, lead to high CPU usage.
• In some cases, outdated or incompatible drivers can cause TiWorker.exe to struggle with applying new updates and cause high resource consumption.

Restart Windows PC

Restart Windows is one of the effective solutions to resolve high CPU usage by the Windows Modules Installer Worker. This will refresh the system processes and clear temporary glitches that might be causing the high CPU usage.

• Click the Start button.
• Select the Power icon.
• Click Restart.

In addition, malware infection or unwanted software can disguise itself as legitimate system processes, including TiWorker.exe, leading to abnormal CPU or disk usage. Perform full system scan with Windows security or third party antivirus problem help fix the issue.

Limit TiWorker.exe CPU Usage

If TiWorker.exe is consistently consuming too much CPU, you can use the Windows Task Manager to set its priority to a lower level, which will limit its impact on your system.

• Press Ctrl + Shift + Esc to open Task Manager.
• Go to the Details tab.
• Find TiWorker.exe in the list, right-click it, and select Set Priority.
• Choose Below normal or Low.

Run Windows Update Troubleshooter

Hence the problem is mostly related to Windows Update, running built-in Windows Update Troubleshooter can detect and fix issues related to Windows Update, including those causing high CPU usage by TiWorker.exe.

• Press Win + I to open Settings.
• Go to System > Troubleshoot > Other troubleshooters.
• Find Windows Update and click Run.
• Follow the on-screen instructions to complete the troubleshooting process.

Manually Check for Windows Updates

Sometimes, Windows Modules Installer Worker runs continuously because it’s trying to process pending updates. Manually checking for and installing pending updates can help resolve this.

• Press Win + I to open Settings.
• Go to Windows Update.
• Click Check for updates.
• If updates are available, download and install them.
• Once done, reboot your computer to apply changes and check if the issue is resolved.

Clear the Windows Update Cache

Again Corrupted or outdated files in the Windows Update cache can cause TiWorker.exe to use a lot of CPU. Clearing these caches forces Windows to download fresh files from the Microsoft server and resolve several Windows update issues and high CPU usage on Windows 11/10.

• Press Windows key + R, type services.msc, and press Enter.
• Find Windows Update and Background Intelligent Transfer Service (BITS), right-click each, and select Stop.
• Open File Explorer and navigate to C:\Windows\SoftwareDistribution\Downloads.
• Delete all files and folders in the Download folder.
• Go back to the Services window, right-click Windows Update and BITS, and select Start.

Now reboot Windows and check if CPU usage comes to normal.

Perform a System File Check (SFC) and DISM Scan

If for some reason important system files get corrupted or missing it may prevent applying new Windows updates and lead 100 CPU usage problem. Running an SFC scan and a DISM (Deployment Imaging Service and Management Tool) scan can repair corrupted system files that may be causing TiWorker.exe to consume excessive CPU.

• Press Windows key + S and type cmd, right-click on the command prompt select run as administrator. Now run the following commands,

sfc /scannow

DISM /Online /Cleanup-Image /RestoreHealth

Wait for the scan to complete, it may take some time depending on system file corruption level. Once scanning is complete 100% reboot your PC and check if CPU usage comes down.

Disable Windows Modules Installer Worker Temporarily

Still need help, you can temporarily disable the Windows Modules Installer Worker following the steps. However, this should only be a short-term solution, as it will prevent updates from being installed.

• Press Win + R, type services.msc, and press Enter.
• Find Windows Modules Installer, right-click it, and select Properties.
• Set the Startup type to Manual or Disabled.
• Click Apply and OK.

Note: To re-enable the service, follow the same steps and set the Startup type back to Automatic.

Update Your System Drivers

In addition, Outdated drivers, particularly for critical components like your chipset, can sometimes cause high CPU usage by TiWorker.exe. Keeping your drivers updated can help resolve such issues in Windows 11/10.

• Press Win + X and select Device Manager.
• Expand the categories (e.g., Processors, Chipset, Storage controllers) and right-click each device.
• Select Update driver and follow the prompts to search for and install updates.

Also, you can visit the device manufacturer or download third-party driver update tools to make this process automatic.