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Lets get the resource-hogging Shell Infrastructure Host out of our way.
Under the hood, Windows comes with a lot of small processes.
Created to help the system run smoothly, they sometimes annoy the users to no limit.
In short, maximum users got out by switching to a different photo viewer app.
Shell Infrastructure Host
Windows taskbar is a handy tool to manage your system resources.
And with Windows operating system, it can happen even to the top-of-the-line computers boasting heavily beefed-up configurations.
Before entering the list, ensure the Windows is updated, including any third-party software.
Now lets quickly get to the solutions.
Ditch Windows Photo App
NativeWindows imageviewing applicationPhotosstarts this process until you terminate the utility.
So, the easiest fix for this issue is switching to a different tool.
This comes with powerful image editing options, absent in the native Photos app.
But whatever image tool you end up with, dont forget to set it as the default image viewer.
you might do this by opening theDefault Appswindow.
Then scroll down and click onPhoto viewerto select your preferred image app.
Next, browse the images and compare the resource consumption via task manager.
With IrfanView, my CPU and RAM usage never went above 5% and 10 MB, respectively.
Yours may be different, so its best to try hands-on.
TypeTask Managerin the taskbar search and bring up the appropriate tool.
Now search for the subject process, right-click over it, and head intoGo to details.
This will highlight the program,sihost.exe.
launch the right-click menu, enter intoSet priority, and selectLow.
Subsequently, click onChange Priorityon the next screen.
Setting this process to a single core or a few may help restrict CPU overuse.
However, this allows Windows to auto-distribute the load based on the comparatively free cores.
So, revert to the normal if changing this doesnt work.
To get started, open thecommand promptwith administrator privileges.
Then typesfc /scannowand hit enter.
This includes running these three commands via command prompt, followed by a reboot.
This article listed a few solutions to sort this out.
Additionally, you might run malware scans with thesepremium antivirus programsif youre still stuck with this problem.
Besides, take a look at theseWindows problem solver toolsbefore going for a repair install.
