Why is windows installer running

Gili 1 1 gold badge 4 4 silver badges 20 20 bronze badges. Windows installer may spawn multiple instances of msiexec.

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You can try registering the Microsoft Installer service again to fix the Windows Installer not working issue. If the fault is in the registries related to Windows Installer, this solution will help you fix that as well. Open Command Prompt with administrator privileges and execute the below commands one by one in the terminal window. You can try running a built-in troubleshooter to get rid of issues with Windows Installer.

Some issues can be because of app incompatibility with your PC. In such cases, you can run Program Compatibility Troubleshooter.

If you are having problems with Windows Store applications, you can run the troubleshooter related to it.

Follow the steps below to run the troubleshooter that is built-in in your Windows PC. Click on Troubleshoot in the left frame of the Settings window. Now, scroll down and click on Additional troubleshooters.

In the next window, search for Program Compatibility Troubleshooter and click on it. You can click on the Run the troubleshooter button below it. You can select the application that is causing the issue in the troubleshooter window. After you finish troubleshooting program compatibility, you can proceed with running the Web Store Apps troubleshooter.

In the list of additional troubleshooters, search for Windows Store Apps and run the troubleshooter for it. After you run the Windows Store Apps troubleshooter, check if you can download the new app from the Windows Store and uninstall the Microsoft Store apps without any issues.

You can manually start the Windows Installer service from the Services app. At times, some services need to be started manually to fix the error associated with them. Click OK to open the Services app. In the Services app, search for Windows Installer and double-click on it to open the Properties window. If the service is already running, you can right-click on the service and select Restart from the context menu.

This will restart the service and fix the temporary issues related to it. Now, search for msiserver, you can see Windows Installer in the Description column. Right-click on the msiserver and click on Start. Sometimes, the virus can be present in the form of a msiexec file on your computer.

You can get rid of it by deleting the duplicate file from File Explorer. Thus, I don't know what could have caused it. Last edited: Jan 31, Apr 13, 2, 5, This link is worth looking at.

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