TiWorker.exe High CPU Usage - How to Fix

How to fix TiWorker.exe High CPU Usage: Tiworker.exe” or TiWorkerintroduced in Windows 8 through Windows 10, is a WMI (Windows Modules Installer) Worker Process that runs in the background and works with Windows update. The application does not normally cause issues, however, many users report that upon investigating spikes in CPU usage via the Task Manager, TiWorker appeared to be the root cause. With an increase in CPU usage, computers become unresponsive and nearly impossible to use. If the TiWorker EXE CPU usage is high on your system, here are some things that you can do to fix this.

Tiworker.exe High Disk Usage Fix

TiWorker should work while downloading / installing automatic updates or during automatic maintenance. If you experience spikes while none of these functions are running try the following fix:

  • Press Windows key + W key on your desktop.
  • Write Troubleshooting in the search box on the upper right-hand corner.
  • Select the Troubleshooting option obtained after the search.
  • Click on the View All option present on the top left corner.
  • Select the System Maintenance.
  • Click on Next to perform the System Maintenance troubleshooter and follow the steps.

Resolve the issue with TiWorker.exe, Check for Windows Updates

  • Click on the Windows + X keys and select Control Panel.
  • Click on Windows Updates, in Large Icons View.
  • In the left panel, click on Check for updates.

If none of the above provide the TiWorker EXE fix that you need, then you can try to perform a clean boot on your system. Performing a Clean Boot allows you to see if there is any software conflict as clean boot helps to eliminate software conflicts. If you do not know how to perform a clean boot then you can do so using the instructions in this article.

Use System  File Checker to Troubleshoot TiWorker Process

  • Hold Windows Key and Press W then type cmd in the search box
  • Right click on cmd and select Run As Administrator
  • In this command prompt window, type sfc/scannow and hit enter.

This takes 30 to 50 minutes and after it finishes, you receive one of the two messages:

  1. Windows Resource Protection did not find any integrity violations (no further action needed, if this is the message you get)
  2. Windows Resource Protection Found Corrupt Files (etc…) if you get a long message with starting lines as "Windows Resource Protection Found Corrupt Files.." then in the same command prompt window, type and run the following command
Dism /Online /Cleanup-Image /RestoreHealth

A notification appears on your screen after the clean up operation completes. Reboot your PC and then test to see if the TiWorker fix worked.


The above solutions help troubleshoot the “Tiworker.exe” CPU over usage on Windows 10 & Windows 8 computers. By following the instructions, you ought to get your CPU usage back to normal. If you're still having trouble with TiWorker, then feel free to leave us a comment below and we'd be glad to help you out. Also, please share your suggestions if you know of another fix. Thanks for reading, TiWorker.exe High CPU Usage - How to Fix on Orduh!

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