Tiworker.exe Causing High CPU & Disk Usage [Fixed for Good]

Run an expert repair tool to fix high CPU usage & other Update errors.

by Ivan Jenic
Ivan Jenic
Ivan Jenic
Troubleshooting Expert
Passionate about all elements related to Windows and combined with his innate curiosity, Ivan has delved deep into understanding this operating system, with a specialization in drivers and... read more
Reviewed by Vlad Turiceanu
Vlad Turiceanu
Vlad Turiceanu
Passionate about technology, Windows, and everything that has a power button, he spent most of his time developing new skills and learning more about the tech world. Coming... read more
Affiliate Disclosure
  • Many PC users have noticed that the file Tiworker exe is causing high CPU usage in Windows 10.
  • Some people will mistakenly consider Tiworker.exe a virus, but this is an important Windows file.
  • Start by renaming the Software Distribution folder and check all Update-associated processes.
  • You will find that cases where Tiworker exe is causing high CPU after an update are particularly common.
Windows 10 error: Tiworker.exe causing high CPU

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High disk usage is actually quite a common problem among Windows users. Oftentimes, this issue is caused by specific apps and programs, such as Tiworker.exe.

Tiworker.exe is an app that is directly related to the Windows Updates manager and will run in the background once you boot up your PC.

Basically, Tiworker.exe is an app that appeared alongside the Windows 10 operating system. Seeing that it is a Windows system feature, you cannot disable it.

More and more Windows 10 users are having trouble with this Tiworker.exe because it seems to take a lot of CPU usage, sometimes taking up to 50 %.

This will prevent the user from playing a game that requires a bit more hardware specs for example or watching a movie.

We will explain in detail how you can fix the high CPU usage you have from Tiworker.exe in the tutorials below.

How to fix Tiworker.exe high disk usage on Windows 10?

1. Run System Maintenance Troubleshooter

  1. Use the Windows key + S shortcut, and type in Troubleshooting.
  2. Click on the Troubleshooting icon. Select View All.
    System Maintenance Troubleshooter
  3. Then, click on System Maintenance.
    System Maintenance Troubleshooter
  4. Click on Next and follow the steps presented on the screen.
    System Maintenance Troubleshooter

2. Use professional software

When you encounter the issue with tiworker.exe high disk usage on Windows 10, the solution is very simple. Use professional software and make your computer healthy again.

We recommend you a complete system solution based on powerful technology. This software will secure and repair your PC bringing it into an optimized state.

Use this complete solution to remove malware threats from your computer, and restore its maximum performance. This software will also replace the damaged files from your operating system.

Windows Update is meant to improve the overall performance of your operating system, integrate new features, and even upgrade the existing ones. However, there are times when certain errors may occur out of the blue.

Thankfully, if you happen to run into such issues, there is a specialized Windows repair software that can help you solve them in no time, and it is called Restoro.

This is how you can fix registry errors using Restoro:

  1. Download and install Restoro.
  2. Launch the application.
  3. Wait for the application to find any system stability issues and possible malware infections.
  4. Press Start Repair.
  5. Restart your PC for all the changes to take effect.

After the process is completed your computer should work perfectly fine and you will no longer have to worry about Windows Update errors of any kind.

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Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

3. Check for updates

tiworker check for updates
  1. Press Windows key + X and select Control Panel.
  2. Click on Windows Updates in the Control Panel.
  3. Select Large icons from the View menu.
  4. Click on Check for updates.
  5. After this is finished restart your Windows 10 PC, and see if you still have this issue.

4. Perform a Clean boot

  1. Press Windows Key + R, enter msconfig, and press Enter.
    Clean boot
  2. Go to Services, check the Hide all Microsoft services option, and click on Disable all.
    Clean boot
  3. Go to the Startup tab and click on the Open Task Manager.
    Clean boot
  4. Right-click the first application on the list, choose Disable from the menu, and repeat this step for all startup applications on the list.
    Clean boot
  5. Go to System Configuration, click Apply and OK, and restart your PC.
    Clean boot

After restarting your PC, check if the issue still appears. If not, you need to enable all disabled applications and services until you find the one that is causing this problem.

Keep in mind that you need to restart your PC after enabling each service or application.

You will need to perform a clean boot to the Windows 10 system to see if you have some apps interfering with the system and causing Tiworker.exe to eat up your CPU memory as it does.

If after the clean boot in Windows you find an app interfering with the system you can either try to uninstall it or try to make an update to the app that’s causing your issue.

5. Rename the Software Distribution directory

  1. Press Windows key + R, enter services.msc, and click OK.
    access Services
  2. Locate the Windows Update service on the list and double-click it to open its Properties.
    Windows Update service
  3. Set Startup type to Manual, click Stop, click Apply, and OK to save changes.
    Windows Update service properties stop
  4. Go to C: Windows, locate SoftwareDistribution and change its name to SoftwareDistribution.old.
    Rename software distribution folder
  5. Return to Services and double-click Windows Update.
  6. Set Startup type to Automatic, click Start, and then click on Apply and OK.
    Windows Update service properties start

After doing that, check for updates manually and your issue should be resolved.

According to users, sometimes your SoftwareDistribution directory can become corrupted and that can cause high disk usage by TiWorker.exe.

To fix the problem, you need to follow the steps shown above to rename the Software Distribution folder.

6. Fix Tiworker.exe high CPU using CMD

To fix the tiworker.exe high CPU and disk usage problems, you might have to perform an SFC scan and a DISM scan.

Your files can become corrupted causing the problem to appear. The scans will find and remove any corrupted files found on your computer.

1. Press Windows key + X to open the WinX menu.

2. Choose Command Prompt (Admin) from the results.

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3. Type in sfc/scannow.

Fix error Tiworker.exe causing high CPU

4. Press Enter to execute the command.

5. The SFC scan will now start. Wait for this process to complete.

6. Once the SFC scan is finished, check if the issue still appears. If not, you might have to perform a DISM scan instead.

7. Reopen Command Prompt as administrator and type this command: DISM /Online /Cleanup-Image /RestoreHealth

8. Press Enter to run the command.

9. DISM scan will now start and try to repair your system. Keep in mind that this process can take 20 minutes or more, so be sure not to interrupt it.

10. After running both DISM and SFC scan, check if the issue is resolved.

7. Exclude TiWorker.exe from Windows Defender

  1. Press Ctrl + Shift + Esc to open Task Manager.
  2. Locate TiWorker.exe or System, right-click it and choose Open File location.
    Task Manager Tiworker.exe location on the drive
  3. Copy the location of this directory since you’ll need it for future steps.
  4. Press Windows Key + S to enter defender, and choose Windows Defender Security Center.
    Tiworker.exe causing high CPU
  5. Go to Virus & threat protection.
    virus & threat protection windows defender
  6. Now click on Virus & threat protection settings.
    virus & threat protections settings
  7. Scroll down to the Exclusion section and click on Add or remove exclusions.
    add windows defender exclusions
  8. Click on Add an exclusion and select Folder from the list.
    add windows defender exclusion
  9. Now enter the location of the directory from Step 3 and save changes.

According to users, high disk usage by TiWorker.exe can be caused by Windows Defender.

Users reported that Windows Defender keeps scanning TiWorker.exe causing this problem to appear. To fix the problem, you need to exclude this file.

After doing that, Windows Defender won’t scan TiWorker.exe and its directory and your issue should be resolved.

8. Delete the Updates directory

  1. Fix the tiworker exe causing high CPU usage in Windows 10 errorNavigate to C: Windows/Temp directory.
  2. Locate the Updates directory and remove it.

Sometimes, your temporary files can cause high disk usage by TiWorker.exe.

Users reported that the Updates directory was causing this issue on their PC. After removing it, the issue was resolved, so make sure you give it a try.

9. Delete HP software

tiworker.exe high CPU usage

Many users reported that high disk usage by TiWorker.exe can be caused by HP software.

According to users, software such as HP Support Assistant can cause this problem to appear.

To fix the issue, users are recommending removing all HP software from their PC and checking if that solves the problem.

10. Reinstall Windows to fix Tiworker.exe high CPU

install windows 10 setup

Finally, the last resort is a clean reinstall. Windows native services, like the infamous svchost.exe with CPU activity, tend to bring quite a headache to users.

And, sometimes, even though you’ve covered every possible option, it’ll still use system resources in abhorrently large volumes.

Of course, there’s always If that happens, you should consider starting from scratch and reinstalling Windows. Don’t forget to back up your data from the system partition and get to work.

There you have it, no less than 10 methods to fix your Tiworker.exe, get your CPU usage back to normal operating standards, and continue playing your games without any interference from outside apps.

Let us know if this guide helped you solve your issue by hitting the comments section below.

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Frequently Asked Questions

  • The Windows Modules Installer Worker is part of the Windows Update Service. It’s actually this process that is responsible for checking and installing your Windows updates and it will run in the background once you boot up your PC.

  • You will find the app itself (the Windows Modules Installer Worker) on the Processes tab of your Task Manager. The corresponding file is called tiworker.exe and you will find it in the Details tab.

  • You can end or disable tiworker.exe, but it is not recommended you to do since the Windows Modules Installer is a native Microsoft process that is specifically designed to handle the proper installation of Windows updates.

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