Tiworker.exe is also known as the Windows Module Installer Worker. It is also known as a program that runs in the background. It prepares the system for any kind of update. It also makes sure no new updates are missed out. However, there is one problem that many users have been complaining about. And that is tiworker.exe windows modules, installer worker.

So what is tiworker.exe? tiworker.exe windows 10 creates a lot of issues at times. Such as, utilizing CPU usage to a high amount and consumption of disk up to 100%. As a result, the windows screen freezes or the very least, it starts to lag a lot. This is because it’s been utilizing most of the CPU. hence, system applications fail to work. 

If you’re one of those people who’s been facing this, then go through the rest of the contents below on tiworker.exe high CPU!

How To Fix High CPU Usage By Tiworker.exe? Do These!

Go through the following methods to optimize the CPU and fix the Tiworker.exe issue:

Method 1: Troubleshoot System & Maintainance

Go to “Start” and then search for “Control Panel” in the search button. Then click on the result. Once you’re in Control Panel, go to the option called “Troubleshooting”. Now, on the following page, go to the option called “Troubleshoot for System & Maintenance”. Right-click on it and then choose the “Run” option. 

Now the program will run and check for issues with the system. If found any, it will resolve it on its own. 

Method 2: Look For Windows Update

To check if Windows updates have arrived or not, do the following steps below:

Go to the “Start” button and then from the search bar, search for Windows Settings. Then using “Windows” and the “I” key, select the option called “Update & Security”. In the following box, click on the option called “Check For Updates”. If there is no update available then it implies the system is already updated to its latest version. 

But if there is the latest version available, then simply download it and update the system. Then restart the system and check how much CPU is used by Tiworker.exe now. 

Method 3: Do a Clean Boot

Clean boot will troubleshoot any hardware issues. So if there is an issue with the Tiworker.exe function, then here’s what you can do:

Open the “Run” box using the “Windows” and the “R” button. Then type, “misconfig” in the box and hit the enter button. In the following box of “System Configuration”, go to the tab called “Services”. 

Now, from the list of all the services, go to the bottom and check the box called “Hide all Microsoft services”.  Then on the right side, select the option called “Disable All”. 

Then click on the option called “Apply” and then select the “OK” button. Now you’d be asked to restart. Make sure you click on the Restart Later button.

Now from the System Configuration box, select the tab called “Startup”. Then click on the option called “Task Manager”. Now turn off all the start-up services that are of high impact.  

Method 4: Run CC Cleaner & Malwarebytes

To run CC Cleaner, here’s what you can do:

The first thing you need to do is, download and then install the CC Cleaner application program on the system.  Run both CC Cleaner & malware application once it has been installed. Malwarebyte will scan for malware. If any found, then it will get rid of it immediately. 

Run CC Cleaner application now. Check for the sections that you’d like to clean. Then click on the option called “Run Cleaner”. Using the scan, you can resolve issues if there is any. Simply, select the option called “Fix Selected Issues” after you’ve selected the sections you’d like to resolve. 

Method 5: SoftwareDistribution: Rename It

Go to the “Start” section and then search for “Command Prompt”. Click on the result.  Now make sure you enter Command Prompt using administrative rights. 

Once you’re in Command Prompt, type in the following commands at the cursor:

Net stop wuauserv

Net stop cryptSvc

net stop bits

Net stop msiserver

Now type another set of commands after that:

Ren C:\\Windows\SoftwareDistribution


Ren C: Windows\System32\catroot2catroot2.old

Once again, hit the enter button and then type the following command:

Net stop wuauserv

Net stop cryptSvc

net stop bits

Net stop msiserver

Now simply restart the system to make sure changes are saved. 

Method 6: Run SFC/CHKDSK Scan

The SFC and CHKDSK scan is an inbuilt program that goes through the system. If there is any issue found with the system then it resolves it. Here’s how to do so:

Go to the “Start” button and then right-click on it. Select the option called “Command Prompt (admin). Now in Command Prompt, type in the following commands at the cursor. 


If the aforementioned command fails to process, enter this command instead:

sfc/scannow/offbootdir=c:\ /offwindir=c:\windows 

To run the chkdsk scan, all you need to do is type chkdsk instead of sfc/scannow. Then hit the enter button. You can try either of these functions or both one at a time. If any issue is found, it will be automatically resolved. 

Once the process is over, restart the system. And then check how much of space is being taken by Tiworker.exe in CPU. 

Method 7: Use The DISM Tool (Deployment Image Servicing Management)

To use the DISM tool, do the following steps:

Navigate to the “Start” section and then right-click on it. Among the list of options, choose the obe called “Command Prompt (admin). Once you’re in Command Prompt, write the following commands and hit the Enter button. 

Dism /Online /Cleanup-Image ./CheckHealth

Dism /Online /Cleanup-Image /ScanHealth

Dism /Online /Cleanup-Image /RestoreHealth

Now the commands will be run. Wait until the process is over. If the command fails to run, then try the alternative commands:

Dism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows

Dism /Online /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows /LimitAccess. 

Hit the enter key and let the process run. Once it is done, restart the system and then check how much tiworker.exe is using the CPU. 

Method 8: Dial Down the Process Priority of TiWorker.exe

To do so here’s the step:

Go to “Start” and then search for “Task Manager”. Or you can simply launch it using the “Ctrl”, “Esc” and the “Shift” key. Once you’re in Task Manager”, go to the tab called “Details”. Then from there, go to the process called “TiWorker.exe”. Right-click on it and then select the option called “Set Priority”. 

Make sure you’ve set the priority limit to Low. Then simply restart the system to make sure the changes have been saved. 


Now you have an idea of what can be done if the Tiworker.exe process is taking too much CPU. Go through the methods and get started!