[Fix] ‘Shell Infrastructure Host’ High CPU Usage on Windows 11 [Guide]

If Shell Infrastructure Host or Sihost.exe uses high Power, CPU and Memory on Windows 11/10 PC, you can follow these suggestions to resolve the issue. At times, this service or process may consume more resources than usual on your computer due to some internal reasons. If so, it is recommended to go through these troubleshooting suggestions to fix the problem.

Many Windows 10/11 users report that the /”Shell Infrastructure Host/” process makes the CPU work at almost 100% and slows down their system significantly. Most of the time, this problem occurs when performing routine tasks, such as viewing images with Photos App or when using slideshow as desktop background (wallpaper).

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The Shell Host dictates taskbar transparency, start menu layout, background images, and other graphical elements as a core function of Windows.

Unlike some processes you find running in the task manager, it doesn’t take up too much power. It shoots up about 1-3 percent at times. But you’ll mostly find it taking up 0% of your CPU.

This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating systems (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Alienware, Razer, MSI, Huawei , Microsoft Surface, and Samsung.

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