How to fix Windows Modules Installer Service issues

The Windows Modules Installer Service is an essential Windows Update system process that looks for updates and installs them on your computer. In other words, the service enables users to install, modify and remove Windows updates and optional components.

If this service is disabled, you may encounter various issues and errors when trying to install or uninstall Windows updates.

Under the Task Manager, you may find various Windows Modules Installer Service processes, such as TiWorker.exe. If you select the Details tab, you should find it there. You can also go to Start and type services.msc. Then scroll down and locate the Windows Module Installer.

WMI’s main process is TrustedInstaller.exe. The process is usually located at C:Windowsservicing, as you can see in the screenshot below, and it runs under Local System Account.

Its startup state is normally set to Manual.

Sometimes, the Windows Modules Installer Service is missing or fails to work. So, where can you download the Windows Modules Installer Service from in order to fix this issue? This is actually quite a common question among Windows 10 users.

Unfortunately, since the Windows Modules Installer Service is a system process, you cannot download it as a package. In case it fails to work properly or is missing altogether, you can use the solutions listed below to fix the problem.

How to repair Windows Modules Installer Service

1. Make sure that the service is running

1. Go to Start > type services.msc > locate the service > right-click on it > go to Properties
2. Check if the service status is ‘Stopped’
3. If this is the case, right-click again on WMI > select Start.

2. Run the Windows Update Troubleshooter

Windows 10 also features a built-in troubleshooter that you can use to fix technical issues affecting the system, including update install/removal issues.

Go to Start > Update & Security > Troubleshoot > Run the Windows Update Troubleshooter

3. Scan your system for malware, viruses and the like

If you computer is infected with malware or other cyber threats, this may explain why you’re experiencing WMI issues. Running a full-system scan should help you fix the problem.

If Windows Defender is your antivirus of choice, launch it and go to Virus & Threat protection. Click on Advanced scan and select Full system scan.

We also recommend you to install an anti-malware tool compatible with your antivirus for an extra layer of protection.

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4. Run SFC scan

System file corruption issues may also trigger Windows Modules Installer problem. The quickest way to fix the problem is to run a System File Checker scan.

Launch Command Prompt as administrator > enter the command sfc /scannow > hit Enter.

There you go, we hope that this article answered your question as to where you can download the Windows Modules Installer Service. As you can see, you can’t actually download it as this is a system service that’s included in the OS install package.

Before you go, don’t forget to check our guide on Windows Modules Installer Worker High CPU problems.