In some situations, you might be able to simply close the program, but it doesn’t help with this issue, as the dialog will just pop up again whenever it is clicked.

What is the Shell Infrastructure Host?

The Shell Infrastructure Host, also known as SIHost, is a core component of a Windows operating system (OS). The SIHost is required for coping with several graphical elements of your OS interface, such as Start menu visuals and taskbar transparency. Main functions of Shell Infrastructure Host include:

It displays the applications in the Windows interface for you It has control over some functions of the background behavior (such as wallpaper changing)

In today’s fix guide we will explore some of the best solutions to fix the SIHost issue. Read on for more details.

How can I fix Shell Infrastructure host has stopped working?

1. Run a System File Checker (SFC) scan to check for any file corruption

If this doesn’t fix the issue, try the next solution. System file checker doesn’t work on your PC? Check out this simple guide

2.  Create a new user account and check if the SIHost issue persists

3. Repair Visual C++ Redistributable for Visual Studio 2015

Technically, this should solve the issue, if not proceed with the next method.

4. Reinstall Microsoft Visual C++ 2015 Redistributable Update 3 RC

If the Visual C++ repair didn’t fix the issue, reinstall Redistributable for Visual Studio 2015. That will most likely fix this issue. You can reinstall the Visual C++ Redistributable for Visual Studio package as described above.

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