Try these techniques to lower Windows Installer Worker Module excessive CPU or disk usage:

To resolve update-related problems, use Windows Update Troubleshooter.

Use Task Manager to temporarily terminate TiWorker.exe.

Configure Windows updates to execute at off-peak times.

Delete the SoftwareDistribution folder to clear the Windows Update Cache.

Fix corrupted system files by running the SFC and DISM commands.

Turn Windows Update to Manual to stop frequent automatic updates.