Tiworker.exe – Windows modules installer worker high CPU usage

TiWorker.exe (Windows Module Installer Worker) is a process related to Windows Update Services. This is an important process on the Windows Update service and the programs that start up with the computer. Typically, TiWorker.exe runs in the background while the system checks for new updates and releases system resources.

However, the point here is that TiWorker.exe is the cause of high abnormal CPU errors on Windows 8.x and Windows 10. So how to fix this error, please refer to the article below.

1. Scan your computer for viruses

Viruses or malicious programs can be the cause of unusually high CPU errors caused by TiWorker.exe. So to fix the problem, you can use antivirus programs to find and remove viruses and malicious programs on your computer and to fix the error.

2. Install all available updates

Make sure that your computer has the version of Windows Update installed. To do this thing:

– On Windows 8, 8.1:

1. Press the Windows + R key combination to open the Run command.

2. On the Run command, type the following and then press Enter to open Windows Update:

wuapp.exe

On the Windows Update window, click Check for updates, and then install all the updates that you find.

– On Windows 10:

1. Click the Start button and then click Settings to open the Settings window.

2. On the Settings screen, click Update & security.

3. Next, click the Check for updates button and then install all the updates you find.

3. Run System Maintenance & Windows Update troubleshooters

Run System Maintenance troubleshooter to fix system errors automatically.

1. Right-click the Start button in the bottom left corner of the screen, and then click Control Panel.

2. On the Control Panel window, set View by to Small icons.

3. Next, find and select Troubleshooting.

4. Choose View all.

5. Double click on System Maintenance.

6. Click Next and follow the on-screen instructions to run System Maintenance troubleshooter.

7. After System Maintenance completes the process, select Windows Update troubleshooter from the list.

8. Click Next and follow the on-screen instructions to troubleshoot Windows Update.

4. Delete the SoftwareDistribution folder

The Windows Update Store folder (also known as the SoftwareDistribution folder) is where Windows stores download updates. If the directory is corrupted, it will cause problems during the Windows update process. Therefore, to fix the problem, it is best to remove all downloaded update directories and force Windows to create a new empty SoftwareDistribution folder.

To do this thing:

1. Press the Windows + R key combination to open the Run command.

2. On the Run command screen, enter the following command and press Enter to open the Services window: services.msc 

3. On the Windows Service window, find the service called Windows Update, right-click it and select Stop.

4. Next navigate to the C:Windows.

5. Find and delete the SoftwareDistribution folder, or you can rename the SoftwareDistribution folder to SoftwareDistributionOLD.

Note:

After booting up, next time Windows Update will check for available updates and automatically create a new SoftwareDistribution folder to store the updates.

6. Restart your computer.

7. If the unusually high CPU error caused by TiWorker.exe remains, you can apply the other solutions below.

5. Reduce the priority of TiWorker process

1. Press Ctrl + Shift + Esc or right-click the Start button in the bottom left hand corner of the screen, and select Task Manager.

On the Task Manager window, click More details.

2. Next, click on the Details tab.

3. Right-click TiWorker.exe, select Set priority => Low.

Note:

You can also select the End process tree option to stop the TiWorker.exe process.

6. Fixed system file and service failure (SFC).

Run the System File Checker (SFC) tool to fix corrupted files and services on your Windows PC. To do this thing:

1. Open the Command Prompt window under Admin. To do this, right-click the Start button in the bottom left corner of the screen and select Command Prompt (Admin).

2. On the Command Prompt window, enter the following command and press Enter: SFC /SCANNOW

3. Wait until the SFC tool checks for and resolves files and services on the system.

4. After completing the process, restart your computer and check for high CPU errors abnormally due to TiWorker.exe.

7. Fix Windows problems with the System Update Readiness Tool (DISM)

1. Right-click the Start button in the bottom left corner of the screen, and select Command Prompt (Admin).

2. On the Command Prompt window, enter the following command and press Enter:

Dism.exe /Online /Cleanup-Image /Restorehealth

3. Wait for DISM to repair the corrupted files.

4. After the process is complete, you will receive a notification complete the process.