If you hear your computer’s fans spin up and feel it getting hotter for no apparent reason, kiểm tra the Task Manager and you might see “Windows Modules Installer Worker” using a lot of CPU & disk resources. This process, also known as TiWorker.exe pháo, is a part of the Windows operating system.

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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 cộ, dwm.exe pháo, ctfmon.exe cộ, rundll32.exe pháo, Adobe_Updater.exe pháo, 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, và removal of Windows updates and optional components”, according to its service description.

RELATED: What Windows 10"s "Optional Features" Do, & How lớn 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 lớn uninstall an update or add or remove an optional Windows feature, the Windows Modules Installer Worker process will also need khổng lồ bởi some work.

While the process is named Windows Modules Installer Worker on the normal Processes tab in Windows 10’s Task Manager, its tệp tin 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 khổng lồ restart your computer to lớn 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 news: As far as we can tell, occasional high CPU usage from the Windows Modules Installer Worker process on Windows 10 is just normal.

The good news is that, if you allow it to lớn run, the process will eventually finish and stop using CPU & disk resources. The Windows Modules Installer worker process will finish & it will disappear from the running processes in Task Manager. How long it will take depends on the tốc độ of your computer’s CPU và storage, as well as on how many updates it needed khổng lồ install.

Can I Disable It?

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You’ll see some bad advice online recommending you should disable the Windows Modules Installer system service to lớn prsự kiện this from happening. This will prevent Windows from installing updates properly, và you shouldn’t vày it.

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

Similarly, others may recommend setting your network connection lớn “metered”, which will prevent Windows 10 from automatically downloading & 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, và we don’t recommover it.

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 cộ process khổng lồ occasionally bởi its thing. This is just how Windows installs updates, và it’s for your own good.

Is It a Virus?

RELATED: What"s the Best Antivi khuẩn 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 pháo process. However, if you’re concerned about malware, it’s always a good idea to run a scan with your preferred antivi khuẩn program to kiểm tra 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 & the Windows operating system itself that could cause issues with the Windows Modules Installer Worker service.


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

The Windows Update troubleshooter can find & fix problems with Windows Update that could cause issues lớn 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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If the troubleshooter doesn’t help, you may want khổng lồ try using the SFC or DISM tools khổng lồ scan your computer for corrupted or missing system files.

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

You may also want khổng lồ check out our tutorial on what khổng lồ vì chưng if Windows Update gets stuck, to lớn ensure Windows Update is running properly.

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And, if all else fails, you can always try resetting your PC khổng lồ its default factory state & starting over with a fresh operating system.