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Solved: Windows modules installer worker High CPU Usage on Windows 10

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Sometimes you may notice the CPU usage in Windows 10 and 8 is very high. Especially After Install Windows 10 April 2018 update, the computer gets slow down and it is difficult to work with it At startup. If you check on Task manager process details it showing Tiworker.exe windows modules installer worker Usage High CPU or 100% Disk. Now you have the question on your mind, What is this TiWorker.exe or Windows Modules Installer Worker? Why It’s running on Computer and causing High System Resource usages such As 100% CPU or Disk.

What is Windows Modules Installer Worker?

TiWorker.exe or Windows Modules Installer Worker is a system component in Microsoft Windows which is responsible for installing new modules and updates. It prepares your computer for the installation and checks frequently for new updates. Also, this TiWorker.exe completes the various tasks that are needed after an update to Windows.

Generally, this Tiworker.exe windows modules installer worker will terminate all the resource that is necessary for update once the update is finished. But sometimes due to any technical reasons these resources will keep on running in the background, Which Cause high System Resource usage and your computer gets slow down. Also, Sometimes Virus malware infection, Corrupted system files, corrupted windows update components etc cause windows modules installer worker 100% CPU usage or High Disk usage.

Fix windows modules installer worker high CPU usage 

After understand what is Tiworker.exe or windows modules installer worker service? How it works on windows computer and Why its taking High System resources such as 100% CPU or Disk Usage. Let’s Apply Bellow solutions to Fix this windows modules installer worker 100% CPU usage problem on windows 10.

Note: Bellow solutions are applicable to fix windows modules installer worker high CPU Usage, 100% Disk usage on Windows 10 / 8.1 and 7 computers.

Check for malware virus infection

Start from Basic Make Sure Any Virus or Malware Infection not causing the issue by performing A full system scan with a good antivirus / Anti-malware application with latest updates installed. Also Install Free System optimizer like Ccleaner to Clean up junk, Temp, Cache, System Error, Memory Dump files And Fix missing broken registry Errors. After That Restart windows to take a fresh start then check there is no more High CPU / DISK usage by modules installer worker. If for you still, the problem persists, Tiworker.exe windows modules installer worker high CPU or Disk Usage Then fallow next steps.

Install All available Updates

Make sure that you have installed all available Windows Updates on your computer. Sometimes Update installation Stuck or pending updates process Run on the background which causes High System resource usage by Tiworker.exe windows modules installer worker.

Windows 10 Is Set To check and install latest updates Automatically. But if due to any reason they are not installed then you can manually check and install the available updates by following below.

Press Win + I to open Windows Settings then click on Update & security, Next select windows updates and Click the Check for updates button to download and install latest available Updates.

Checking for windows updates
Checking for windows updates

Turn off Automatic updates for Windows 10

As discussed this Problem is related to windows modules installer worker (TrustedInstaller) and Windows Update (wuauserv) service. May these services not responding, crashes or not function properly, and cause High CPU or 100% Disk usage by windows modules installer worker. Disable these both Services ( windows modules installer worker (Trusted Installer) and Windows Update (wuauserv) ) by Following below steps and check this fixes Tiworker.exe windows modules installer worker high CPU Usage.

To Stop or Disable These services First open Windows services by press Win + R, Type services.msc and hit the enter key. Here on Services window look for service named windows modules installer worker. Double click on it, Change the Startup Type Disable and click on stop next to service status. Repeat this step for the Windows Update service.

Disable windows modules installer service
Disable windows modules installer service
To stop auto update on windows 8.1 and 7  

Open the Control Panel and click on Windows Update. On the left side, you can see the option Change Settings. Switch it to “Check for updates but let me choose whether to download and install them”. Reboot your computer to take a fresh Start, This time windows modules installer and Windows update service no longer starts in the background. Check There is no more 100% CPU usage issue by windows modules installer.

Note: As we set Windows Update to Disable, windows didn’t download and install latest updates.

Tweak SoftwareDistribution folder

The Windows Update Store folder (commonly known as “SoftwareDistribution” folder), is the location where Windows stores the downloaded updates. If this folder is corrupted, then you will face problems during Windows Update And may Tiworker.exe windows modules installer worker High CPU usage is one of them. So, delete all downloaded updates and force Windows to re-create a new empty SoftwareDistribution folder. To do that: Navigate to “C:\Windows” folder.
Here Delete * (or rename e.g. to “SoftwareDistribution.OLD”) the SoftwareDistribution folder.

rename SoftwareDistribution folder
rename SoftwareDistribution folder

* Note: Upon restart, the next time the Windows Update checks for available updates, a new empty SoftwareDistribution folder will be created automatically by Windows to store updates.

Now Restart windows to take a fresh start, Then check and install latest available updates. As Before We Disabled the Windows update and windows modules installer service, First start them from windows services and check for latest updates.

Decrease TiWorker process priority

Right-click on the taskbar and select Task Manager, then click More Details. Next move to Details tab, Right click at TiWorker.exe process and Set priority to Low. * Now see how your computer acts with this setting. If TiWorker’s high usage issue is not eliminated continue to next solution.

Run Windows Update Troubleshooter

This is also a better and easier solution to fix high disk and high CPU usage caused by the Windows Update process. If any Windows Updates Stuck on background, which may cause unnecessary System Resource usage like 100% CPU or DISK usage. Open Settings -> update & security -> Troubleshoot -> click on windows update, Run The Windows Update Troubleshooter and let windows to check and fix any buggy update stuck or causing High CPU usage problem itself for you.

Checking the System Maintenance

The system maintenance will take you into number of steps which will remove unused files, shortcuts and performs task maintenance. You can not only fix Tiworker.exe windows modules installer worker High Cpu usage but also you can remove the other unwanted files.

This is an alternative solution for the above problem. To clear the TiWorker.exe “problem” (which isn’t really a problem) is to run Automatic Maintenance to do this open Control Panel\All Control Panel Items\Security and Maintenance -> Start Maintenance. This process can take some time so make sure that you have something else to do before you start the process.

System Maintenance
System Maintenance

Fix tiworker.exe using the command prompt 

This is also an alternate method to fix the tiworker.exe problem. Some Times corrupted system files cause different problems on the windows computer. And maybe corrupted missing system files causing windows modules installer worker unresponsive.

To check and make sure missing damaged system files not causing the issue Run the windows SFC utility by the following below. First open command prompt as administrator then type sfc /scannow and hit the enter key.

Run System file Checker Tool
Run System file Checker Tool

The sfc utility will start scanning for missing corrupted system files. If found any the system file checker utility Repair / Restore them from a compressed folder located on %WinDir%\System32\dllcache. Wait until 100% complete the scanning process after that Restart windows and check High System resource usage problem resolved.

Run DISM Command

If the System file checker Results Windows Resource Protection Found Corrupt Files but unable to fix them. This means the utility unable to repair missing damaged system files. That cause you need to run the DISM Command Dism /Online /Cleanup-Image /RestoreHealth which Repairs the System image and Enables SFC to do its job.

After Run the DISM command Again Run Sfc / scannow command to repair missing system files. After That Check and fix Disk Drive errors by running the Check Disk Command line. Now Restart windows, And on next login check There is no more 100% CPU usage or High Disk Usage by tiworker.exe or windows modules installer worker.

These are some most applicable solutions to fix tiworker.exe windows modules installer worker High Cpu usage, or 100% Disk Usage problem. Include ways to tiworker exe windows modules installer worker disable And fix tiworker high CPU usage windows 10 problem.

I hope Apply Above solutions 100% resolve High CPU usage problem on Windows 10 computer. Let us know which step worked for you. Also have any query, Suggestion or face any difficulty while applying these solutions feel free to discuss on comments below. Also read Solved: Service Host local System High CPU Usage In Windows 10 v1803

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