Window modules installer worker là gì

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If you hear your computer’s fans spin up and feel it getting hotter for no apparent reason, check the Task Manager and you might see “Windows Modules Installer Worker” using a lot of CPU and disk resources. This process, also known as TiWorker.exe, is a part of the Windows operating system.Bạn đang xem: Windows modules installer worker windows 10 là gì

RELATED: What Is This Process and Why Is It Running on My PC?

This article is part of our ongoing series explaining various processes found in Task Manager, like Runtime Broker, svchost.exe, dwm.exe, ctfmon.exe, rundll32.exe, Adobe_Updater.exe, and many others. Don’t know what those services are? Better start reading!

What Is Windows Modules Installer Worker?

This system process “enables installation, modification, and removal of Windows updates and optional components”, according to its service description.Bạn đang xem: Windows modules installer worker là gì

RELATED: What Windows 10"s "Optional Features" Do, and How to Turn Them On or Off

Windows 10 automatically installs operating system updates via Windows Update, so this process is likely just installing updates in the background. However, if you choose to uninstall an update or add or remove an optional Windows feature, the Windows Modules Installer Worker process will also need to do some work.

Bạn đang xem: Window modules installer worker là gì

While the process is named Windows Modules Installer Worker on the normal Processes tab in Windows 10’s Task Manager, its file name is TiWorker.exe, and you’ll see that displayed on the Details tab.


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Microsoft releases updates on “Patch Tuesday”, the second Tuesday of every month. They may also release updates on other days, if necessary. If this process is using a lot of CPU, it’s likely that your computer has just downloaded new updates from Microsoft.

You may or may not have to restart your computer to install these updates, but Windows does a lot of updating work in the background so you can continue using your PC while it installs the updates.

Why Is It Using So Much CPU?

Here’s the bad web10_news: As far as we can tell, occasional high CPU usage from the Windows Modules Installer Worker process on Windows 10 is just normal.

Can I Disable It?


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RELATED: How, When, and Why to Set a Connection as Metered on Windows 10

Similarly, others may recommend web10_setting your network connection to “metered”, which will prevent Windows 10 from automatically downloading and install many updates. This will prevent the Windows Modules Installer process from activating, but your computer won’t install critical security updates that can protect you from malware like the WannaCry ransomware, which exploited a bug patched two months before it was released. Avoiding operating system updates is dangerous, and we don’t recommend it.

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Sure, you could install updates manually—but the Windows Modules Installer Worker process will run after a manual update, anyway. It’s probably best to just bite the bullet and allow the TiWorker.exe process to occasionally do its thing. This is just how Windows installs updates, and it’s for your own good.

Is It a Virus?

RELATED: What"s the Best Antivirus for Windows 10? (Is Windows Defender Good Enough?)

This process is a part of Windows itself. We haven’t seen any reports of malware disguising itself as the Windows Modules Installer Worker, or TiWorker.exe process. However, if you’re concerned about malware, it’s always a good idea to run a scan with your preferred antivirus program to check if anything’s amiss.

If You Think Something’s Wrong

If you think something’s really wrong—perhaps the Windows Modules Installer Worker process has been churning away for hours, or perhaps you think it just runs too frequently—there are some troubleshooting steps you can take. These won’t help if the process is just running for normal reasons, but can potentially fix problems with Windows Update and the Windows operating system itself that could cause issues with the Windows Modules Installer Worker service.

RELATED: How to Make Windows Troubleshoot Your PC"s Problems for You

The Windows Update troubleshooter can find and fix problems with Windows Update that could cause issues to occur. To run it on Windows 10, head to Settings > Update & security > Troubleshoot > Windows Update > Run the troubleshooter. Apply any fixes the troubleshooter suggests.


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RELATED: How to Fix Windows Update When It Gets Stuck or Frozen

And, if all else fails, you can always try reweb10_setting your PC to its default factory state and starting over with a fresh operating system.