Its a legitimate system process associated with the Windows Update service ensures that your system is up-to-date and secure.
Several users report computers disk usage is unusually high and identified Windows Modules Installer Worker as a contributing factor.
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What is Windows Modules Installer Worker?
Windows Modules Installer Worker (WMIW) orTiWorker.exeis just a Windows service.
That keeps running in the background and searching for new Windows updates.
Also, It prepares your machine for installation and checks frequently for new updates.
This involves replacing or adding new files, modifying parameters, and sometimes even removing obsolete components.
Once done, start your setup to apply the changes and test whether the disk usage is normal.
Also if you get any Update installation errors or stuck downloading then check this guide to fixWindows update problems.
A warning message will appear informing you that changing process priorities can affect system stability.
Click Change priority to confirm.
look to see if it reducesTiworker.exehigh CPU usage.
This process essentially clears out the old update cache and resets the components responsible for managing updates.
Running adisk checkcan identify physical problems with the hard drive, such as bad sectors or other hardware-related issues.
These can cause high disk usage and other performance problems.
CHKDSKchecks the integrity of the file system on a disk.
It looks for structural inconsistencies, cross-linked files, and other issues that can occur over time.
It ensures data integrity, recovers data from damaged areas, and can improve overall disk performance.
This leads to increased processing demands as the system attempts to rectify or work around these file issues.
punch in the commandsfc /scannowand press Enter.
The SFC will begin scanning for and repairing corrupted files.
This process may take some time.
You should set Windows Update Service and Windows Modules Installer Worker to manual.
Again Repeat this step for the Windows Update service.
Then restart Windows And check There is no more high Disk usage 100 % CPU usage.
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