So, your Windows 11 is consuming high CPU usage because of the service host Superfetch?
And, you dont know what exactly superfetch (Sysmain) is.
Then, you landed on the correct page.
First of all, you should know;
Is it okay to disable SuperFetch?
So, lets get started.
Does SuperFetch slow down the computer?
Yes, the Windows Service Host SuperFetch slows down computers.
This Windows process improves hard drive performance but slows down the SSD.
Ultimately, slowing your PC.
This service host was preliminarily known as PreFetch on Windows XP.
Every new version of Windows has had new features and upgrades to help you use the general programs easier.
However, some features arent quite as user-facing as Cortana or Timeline.
For example, the SuperFetch feature was added back in 2006 when everyone was indulged in Windows Vista.
Microsoft included this feature in all the versions of Windows till now.
PreFetch works in the background slowing down your gear.
This service may slow down your computers start-up as well.
View the Folder size in Windows 11as quickly as possible.
You may now ask:
Does disabling Superfetch increase performance?
Although Super Fetch doesnt consume much CPU, sometimes a malfunction can cause SuperFetching to use a High CPU.
In that case, disabling the service can increase the performance of your system.
Other than that, you wont find any major benefits.
There are pros and cons that it’s possible for you to research on your own.
But, generally, a lot of Windows users dont like it running continuously in the background.
I usually turn it off on all my computers; I cant recall ever having an issue.
There are two proven steps to disable SuperFetch on Windows 11 permanently.
Either of the methods can be utilized.
But check that to follow the entire step correctly.
But,
When should you disable Superfetch?
You should disable Super Fetch when the service consumes a lot of resources.
Open up the Task Manager and then look for SysMain Service.
test whether the service is consuming a lot of CPU.
Only then, turn off the service permanently.
Check our exclusive tutorial on how toFix Blue Screen on Windows 11. key in in services.
The best result should come back with the Services listed right above the app.
Go ahead and open that up.
Scroll down to Sys Main and Double punch it.
Set Startup jot down to Disable.
If Service Status is Running, select stop.
Once you are done, select Apply and OK.
And that should be about it.
Superfetch will be switched off completely from running on your system.
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The second method to kill the service is to edit the registry of your rig.
Is it okay to disable Superfetch?
If this service does not consume a high CPU and High RAM, its not necessary to disable it.
This service is in-built in your Windows Operating System to make your system smoother.
So, its better not to disable such services unless its problematic enough.
So, Should You Kill Superfetch (Sysmain)?
In my opinion, its better to leave the Sysmain service running in the background.
In most cases, theres no compelling reason to prevent SuperFetch from running.
block the program when:
Is prefetcher the same as Superfetch?
Both the services are designed for launching programs faster than usual.
However, Super Fetch loads frequently used programs into memory to speed up the startup process.
On the contrary, the function of PreFetcher is vague, and Microsoft provides not have enough information.
Disabling these features is unnecessary as they wont provide enormous advantages for starting programs faster as SSDs are faster.
But, in most cases, leave it.
Final Thoughts
SysMain wont create any problems for your new generation PC.
However, for Old PCs it may vary.
There are only two methods to disable these services.
If you want to enable it, just follow the steps in reverse.
