FIX: Windows Modules Installer Worker high CPU Usage? What is Tiworker.exe?

Why is the tiworker.exe process consuming High CPU Usage?


you would be thinking what even is Windows Modules Installer Worker?

Recently users have reported that their PC started is getting a bit laggy and the performance is getting low after they installed some updates

and when they opened the Task Manager they saw that Tiworker.exe is using almost 90% of the CPU

So, many users did is restarted or tried to disable it which was a bad move to overcome Tiworker exe high CPU usage.

First of all, you don’t need to worry much because you are not alone in this and many users were trying some wrong fixes forTiworker.exe on Windows 11.


We have compiled a list of the best solutions for you to fix the tiworker High disk Usage.

Before going to the fix there will be some important questions regarding the Windows Modules Installer Worker error that might be in your mind.

What is Tiworker.exe? What is TiWorker exe doing?

Tiworker.exe is a legitimate service by Microsoft introduced in Windows 8 and can also be found in the latest versions of Windows 10 and 11.

Windows Modules Installer Worker plays an important role in windows OS and is responsible to keep a check on Windows updates and install updates.

Tiworker.exe is allocated in C:/Windows/System32/ folder and the file size is almost 193,024 bytes.

So, whenever Tiworker exe will finish the process after updating it’s obvious it would use high disk/CPU, and disabling it will lead to malfunctioning of other systems related to Windows OS.

Also Read: TOASTER.EXE Failed

Is Tiworker a Virus? Is TiWorker exe safe?

It’s totally safe as Tiworker.exe is a legitimate program digitally signed by Microsoft Corporation and most users have not found it safe.

As it is legitimate so hackers might attack the program to make changes and carry out their illegal activities through Tiworker.

Moreover, if you are a Windows XP or Windows Vista user and if you see this Windows Modules Installer Worker process running on your PC then it’s an unwanted program as this file no longer works there.

Also, we can clear our doubt that Windows Modules Installer Worker is a virus or not by checking the file location as it should be located in its default file location when it was originally developed.

But still, to be on the safe side you can check if there’s a virus or not through Task Manager:

  1. Press together Ctrl + Shift + Esc keys to open Task Manager.
  2. Go to Details and look for Tiworker.exe
  3. Also on your right side under the description column make sure its name is correct.
  4. Right-click on it and select Open file location.
  5. If it is located at C:\Windows\System32

And if it’s not in the given address then it might be a virus or spyware so my advice is for you to run a full system scan with the help of your anti-virus program installed on your PC.

Now moving on to the solutions for Tiworker.exe.

Video Guide: Windows Modules Installer Worker high CPU Usage?



Solution 1: Perform a System File Check

Sometimes the damaged file can lead to Tiworker.exe high Disk usage on Windows 11 and your program will be unable to run.

So, the Sfc(System file checker) helps you scan the errors and replaces them if Tiworker.exe replicated itself.

Here’s what you need to do to fix the Tiworker exe high Disk usage:

  1. Open Command Prompt as an Administrator, press Windows Key + X
  2. Or, search “Command Prompt” in the Startup menu, then choose Run as administratorCommad Prompt
  3. Type “sfc /scannow”sfc /scannow”Tiworker.exe high Disk Usage
  4. Be careful with the spaces between commands.
  5. This action may take up to 20 minutes so don’t interrupt it.
  6. After that restart your PC and check if Tiworker.exe high disk usage is solved or not.

Also Read: MMC.exe Error Blocked

Move to the Windows update solution to fix the error.

Solution 2: Update Windows 11 to Fix TiWorker.exe High Disk Usage

Sometimes your outdated PC is the main cause of the TiWorker.exe high Disk usage

For the best performance of your PC, you need to make sure that your Windows OS is up to date.

and with new updates, the bugs or errors like TiWorker.exe and high disk usage will be fixed.

So, here is how you can update your Windows 11 OS:

  1. Click on the Windows icon
  2. Click on the Settings icon and a new window will pop upWindows icon TiWorker.exe High CPU Usage
  3. Select Windows Update from the left menuTiworker.exe
  4. The new window will pop up
  5. Then click on Check for updates button.Check for updates TiWorker.exe
  6. If there is any update it will start updating the PCupdating the PCTiWorker.exe
  7. It will take some time to update Windows OS and after that, you can restart your PC.

If the above solution didn’t work you can move on to the next one for fixing TiWorker.exe

Solution 3: Update Driver on Windows 11 through Device manager

If you have outdated graphic drivers, network drivers, or any other driver in the device manager list on your PC

it can lead to many issues such as lag in games and one of the main issues will be the Tiworker in Windows 11.

For example, if you get a Tiworker.exe high disk usage while using a printer then the printer driver might be outdated and the same goes for any other driver.

So, it’s best to make sure that your graphic drivers or your printer, or any other driver are updated in order to overcomeTiworker.exe high disk usage Windows 11

You can use this technique to update other outdated drivers too.

Here’s how you can check for updates:

  1. Click on the Search icon
  2. Type Device ManagerDevice Manager Tiworker.exe
  3. Click to open Device Manager
  4. Then select the Print queuesThen select the Print queues Tiworker.exe
  5. A further menu will open
  6. Right-click on the printer you are using.
  7. Click on the Update driver
  8. And then select Search automatically for drivers.
  9. After the updates are done restart your PC and check if Tiworker.exe high disk usage Windows 11 is fixed.

Having a High CPU Error CHECK OUT: What is Acrord32.exe?

Moving on to solution 4 to get Tiworker high disk usage to solve.

Solution 4: Performing a Clean Boot Using MSConfig to Fix Windows Modules installer worker high disk Usage

Clean boot will help you to eliminate the unnecessary applications which are running on the backend.

Also, it will help fix Tiworker.exe and will replace the corrupted file that is helping in high CPU usage.

And shut down any applications which are conflicting with each other.

Here is how to perform a Clean Boot:

  1. Press Windows Button + R Key
  2. The Run Dialogue Box will appear
  3. Type “msconfig“ and press Enter.Run Dialogue Box Tiworker.exe
  4. The System Configuration window will open
  5. In the General tab uncheck Load system services and Load startup items box as this will only use services issued by Microsoft when your PC will reboot.System Configuration Tiworker.exe
  6. Now Select the Service tab and uncheck all the unnecessary serviceUncheck Tiworker.exe
  7. Only check those who are not using high CPU usage
  8. And your clean boot is done and the unnecessary services are eliminated
  9. After restarting your PC your Tiworker.exe error on Windows 11 will be fixed.

Also Read: FIXED: WaasMedic Agent.exe High Disk Usage?

Solution 5: Run Windows Update Troubleshooter to Fix Tiworker High CPU Usage

This Windows Update troubleshooter will look for errors all-around your PC and will fix them.

Moreover, the corrupted files that will get fixed with it will also solve Tiworker high CPU Usage.

So, here’s what you need to do:

  1. Click on the Search icon
  2. Select Control Panel.Control Panel Tiworker.exe
  3. Now look for TroubleshootingTroubleshooting Tiworker.exe
  4. In the left pane click on View all.View All Tiworker.exe
  5. Now double-click on Windows Updates

After the troubleshooting is done you need to run your Windows in Safe Mode.

And you do this by following the steps below:

  1. Press Windows Button + R Key
  2. The Run Dialogue Box will appear
  3. Type “msconfig“ and press Enter.
  4. The System Configuration window will open and then click on the Boot tab.
  5. Now checkbox the Safe boot option.service.msc
  6. Then click on Apply and OK for the system to reboot in safe mode.
  7. After rebooting check if Tiworker.exe high CPU usage is fixed or not.

Also Read: FIXED: Windows Performance Monitor?

If the above solution didn’t fix your problem then move on to scan for the virus to fix Tiworker.exe

Solution 6: Scan For Virus and Threats to Fix Windows module installer Worker

When you download something from a malicious website you may download a virus with it which replicates itself with the Tiworker.exe name.

This can result in a Tiworker.exe high disk usage process.

Although you have an antivirus installed on your PC still it can’t protect your system 100%.

Also, it replaces the damaged files.

So, to overcome Tiworker.exe high CPU usage in Windows 11 it’s best to scan for viruses using the Windows 11 built-in virus protection software.

Here’s how:

  1. Click on the Search icon
  2. Select Settings.
  3. Now click on Privacy & security > Windows SecurityPrivacy & security > Windows Security Tiworker.exe
  4. Select Virus & threat protection and click on Quick scan.Virus & threat protectionTiworker.exe
  5. Wait for the scan to finish and then reboot your PC to see Tiworker high CPU usage in Windows 11 is fixed.

Solution 7: Run System Maintenance Troubleshooter to Fix Tiworker High Disk Usage

This system maintenance troubleshooter will look for errors all around your PC and will fix them.

Moreover, the corrupted files that will get fixed with it will also solve Tiworker.exe High disk Usage.

So, here’s what you need to do:

  1. Click on the Search icon
  2. Select Control Panel.Control Panel Tiworker.exe
  3. Now look for TroubleshootingControl panel troublesshooting
  4. In the left pane click on View all.
  5. And select System Maintenance.System Maintaince
  6. After the troubleshooting is done you need to run your Windows in Safe Mode and check if Tiworker.exe is solved or not.

Continue to solution 8 if the above one didn’t work for you.

Your service host using too much GPU CHECK OUT FIX: Service Host High CPU Usage? 

Solution 8: Delete the Software Distribution Folder to Fix Windows Modules installer worker high CPU Usage

The software distribution folder is where Windows stores its downloaded updates and if the files in that folder get corrupted then this can lead to Windows modules installer worker high CPU usage.

So here’s how you will be able to delete it:

  1. Press Windows key + R to open the Run window.
  2. Then type services.msc and click OK to enter the service app
  3. Scroll down and find Windows Update service and right-click on it to select Stop.
  4. Now go to File Explorer and go to this address C:\Windows.
  5. Right-click on the SoftwareDistribution folder and select DeletetiWorker-exe
  6. After restarting an empty SoftwareDistribution folder will be created automatically to store downloaded updates and Windows modules installer worker high CPU Usage will be fixed.

Also Read: FIX: Microsoft Block Level Backup Engine Service?

If the above solution didn’t work then move on to the next solution for Windows modules installer worker high CPU Usage

Solution 9: Scan System File to Fix Windows modules installer worker

Most errors are caused by corrupted files, so start by checking the system files to fix the tiWorker.exe error

You can do this using the command prompt.

While typing commands be careful at the spaces between ‘/’ and word.

So here’s what you need to do to fix Windows modules installer worker high disk:

  1. Search by pressing the Window key and type “Command Prompt“
  2. Right-click “Command Prompt” and select “Run as Administrator“. The option is available in the right pane of the window too.
  3. Type “DISM.exe /Online /Cleanup-image /Res and press Enter.
  4. It Might take up to 30 minutes to complete the process
  5. Once the operation is completed successfully, type “sfc /scannow” in the command line and then press the Enter key.
  6. If there were any corrupted files you would see the following message on the command line: “Windows Resource Protection detected corrupted files and successfully restored them.”
  7. If so, type exit and hit enter.
  8. Tiworker.exe error corrupted files would have been fixed by now.
  9. You can restart your windows and check if the Tiworker.exe high CPU usage error in Windows 7 exists.command prompt tiWorker.exe high CPU usage

Solution 10: Lower TiWorker Process Priority

Decreasing the Tiworker.exe process via Task Manager can help you fix Tiworker.exe high CPU usage.

So here’s what you need to do:

  1. Press together Ctrl + Shift + Esc keys to open Task Manager.
  2. Go to Details and look for Tiworker.exe.
  3. Now right-click on Tiworker.exe and choose Set priority > Low.
  4. Restart your PC and you will be able to fix Windows Module Installer Worker

Solution 11: Disable Windows Module Installer Worker

Disabling Windows Module Installer Worker will help you get over Tiworker exe high disk usage.

But you can enable it when you don’t need it in near future.

So, here’s what you need to do:

  1. Press Windows key + R to open the Run window.
  2. Then type services.msc and click OK to enter the service app.service.msc
  3. Scroll down and find Windows Module Installer Worker and double-click to open its Properties.
  4. In the Startup, Type section choose Disabled from the drop-down list.image 115 1
  5. Click on Apply and then select OK.


So, these are the best fixes we could get for you in fixing tiworker High CPU Usage in Windows 11 and

Disabling tiworker from your system is not that much of an easy job and also we don’t recommend it to so that’s why we have provided you with the best possible solutions.

Also, it’s related to Windows installing and checking dor updates in the background.

So, you shouldn’t take it lightly and never try to ignore it if the Tiworker.exe high disk usage is acting like malware and it might get your personal data.

It’s best you try all the solutions and if you have any other fix related to Windows Module Installer Worker high disk or any type of question then just let us know in the comment section below.



  1. Where is TiWorker exe?


    Tiworker.exe is allocated in C:\Windows\System32 where it was store default when developed.

  2. Is it safe to stop Tiworker exe?

    It’s not safe to disable Tiworker exe as many services are depending on but if it’s using too much GPU and making things slow down then you can disable it.

  3. Is Windows module installer Worker safe?

    Windows module installer Worker is not a virus unless it replicates itself or harms your computer so it’s totally safe.

  4. Why does Tiworker.exe crash?

    windows 11

    Tiworker.exe crashes due to corrupted files or sometimes the data usage it wants to collect is corrupted.

  5. How to check GPU Usage of Tiworker.exe?

    You can check the GPU usage of Tiworker.exe by
    1. Going to the Task Manager.
    2. And in the GPU usage column look for Tiworker.exe

  6. What does .exe mean?


    It’s a short form of an executable file and helps Windows run and install the software

  7. Is Windows module installer Worker causing High CPU Usage?

    Windows module installer Worker is not causing that much high CPU usage but too much disk usage and you can find this on the Task Manager.


Zul is an avid gamer with a passion for RPG and racing games. He enjoys playing games like Need for Speed and Grand Theft Auto 5 and is also skilled at fixing errors and crashes to enhance the gaming experience. Zul stays up-to-date with the latest gaming news and enjoys sharing his knowledge through writing gaming guides and articles.
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