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How to Fix Windows Modules Installer Worker with High CPU
As one of the many system processes on your Windows PC, the Windows Modules Installer Worker plays a crucial role in how Windows works. You may not know it, but this process helps ensure that the Windows Update service is working properly. Like ntoskrnl.exe and others, you cannot stop or disable it.
That doesn’t mean you shouldn’t be interested in what exactly the Windows Modules Installer Worker process does and whether it’s safe, especially if you see it with high CPU usage in Task Manager. To help you out, here’s what you need to know about this important process, including how to troubleshoot it if problems occur.
The Windows Modules Installer Worker (tiworker.exe) process is part of the Windows Update service that keeps your PC up to date. When Windows Update scans for updates on your PC, downloads them, and installs them, the Windows Modules Installer Worker process runs.