How to Fix TiWorker.exe High CPU Usage in Windows

Don’t worry, it is not malware

TiWorker.exe is the Windows Update Trusted Installer Worker process, a sub-process of theTrustedInstaller system utility. It’s also called the Windows Modules Installer Worker (WMI Worker), and it’s vital in updating your computer’s operating system. TiWorker.exe runs in the background, checking for available updates or downloading system updates.

The process may have high CPU usage when performing its responsibilities. But it’s unusual for TiWorker.exe to stay active in the background or consume system resources excessively. This tutorial highlights different ways to fix TiWorker.exe high disk usage in Windows 10 and 11.

Manually Install Windows Updates or Restart Your PC

Tiworker.exe may use system resources if there are missing or pending Windows Updates. Manually installing updates can fix the issue.

Rebooting your computer can also reduce TiWorker.exe’s CPU usage. Close your apps before restarting your PC, so you don’t lose unsaved data.

Open Task Managerand check TiWorker.exe’s CPU usage. Try the next troubleshooting solution if TiWorker.exe continues to use excessive system resources.

Run the Windows Update Troubleshooter

The Windows Update troubleshooting tool can diagnose and fix issues spiking TiWorker’s CPU usage.

The troubleshooter will scan your computer for Windows Update issues and fix them.

Close the troubleshooter and check TiWorker.exe CPU usage in the Task Manager. Run the System Maintenance troubleshooter if the problem persists.

Run the System Maintenance Troubleshooter

The Windows System Maintenance tool can also tone down TiWorker.exe’s CPU usage.

Quick Tip:You can also run the System Maintenance troubleshooter through theWindows Runbox. PressWindows key+R, paste %systemroot%\system32\msdt.exe -id MaintenanceDiagnostic in the dialog box, and pressOK.

Close the System Maintenance tool when it completes the troubleshooting checks. Restart your computer if the TiWorker.exe high CPU usage issue persists.

Run the System File Checker

System File Checker (SFC) is a command-line tool that repairs and replaces corrupted system files. SFC can fix Windows Updates files causing TiWorker.exe to use high CPU resources.

Connect your computer to the internet and follow the steps below to run an SFC scan.

The command prompts the WindowsDeployment Image Servicing and Management (DISM) toolto download files required to fix or replace corrupt files. The DISM command-line tool can also fix a host ofWindows Update errors. Run the next command when Command Prompt displays a “The restore operation completed successfully.” message.

The System File Checker will scan your computer and replace any corrupt system file it finds. The file verification and repair process may take up to 30 minutes.

If SFC repairs any file, Command Prompt displays a “Windows Resource Protection found corrupt files and successfully repaired them” message.

Close Command Prompt, reboot your computer, and check if the file repair process gets TiWorker.exe working correctly.

Perform a Clean Boot

A clean boot can help you detect apps or programs preventing your computer from installing a Windows Update. Clean booting your PC disables non-essential Microsoft services and starts a minimum number of programs and drivers. It’s similar tobooting Windows in Safe Mode.

Perform a clean boot, enable one service at a time, reboot your computer, and check TiWorker.exe CPU usage. Repeat the process until you find the app or service spiking TiWorker.exe’s CPU usage. For more information, refer to our tutorial onperforming a clean boot in Windows.

Delete Windows Update Cache Files

ClearingWindows Update cache filescan fix Windows Update installation issues and reduce TiWorker.exe high CPU usage.

Reboot your computer and check if deleting Windows Update cache files fix TiWorker.exe high CPU usage problem.

Uninstall Conflicting HP Programs

If you have the HP Support Assistant on your computer, uninstalling the software mightreduce TiWorker.exe disk usage. Some users fixed TiWorker.exe high CPU usage by uninstalling the HP LAN Assistant software.

These HP apps appear to conflict with TiWorker.exe and cause the process to use too much CPU. Delete these apps, restart your PC, and monitorTiWorker.exe’s CPU usage in the Task Manager.

TiWorker.exe Isn’t Malware

TiWorker.exe is a genuine background process that runs when checking for new updates or installing downloaded updates. The troubleshooting solutions above should fix the TiWorker.exe high CPU usage issue. Scan your computer using Windows Defender or third-party antivirus if the problem persists.

Sodiq has written thousands of tutorials, guides, and explainers over the past 4 years to help people solve problems with Android, iOS, Mac, and Windows devices. He also enjoys reviewing consumer tech products (smartphones, smart home devices, accessories, etc.) and binge-watching comedy series in his spare time.Read Sodiq’s Full Bio

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How to Fix TiWorker.exe High CPU Usage in Windows#

Manually Install Windows Updates or Restart Your PC#

Run the Windows Update Troubleshooter#

Run the System Maintenance Troubleshooter#

Run the System File Checker#

Perform a Clean Boot#

Delete Windows Update Cache Files#

Uninstall Conflicting HP Programs#

TiWorker.exe Isn’t Malware#