Service Host SuperFetch is a Windows process that improves hard drive performance, but sometimes cause slowdown with an SSD
Solid-state drive
A solid-state drive (SSD, also known as a solid-state disk although it contains neither an actual disk nor a drive motor to spin a disk) is a solid-state storage device that uses integrated circuit assemblies as memory to store data persistently.
Why does SuperFetch use so much disk?
Why Is Service Host Superfetch in 100% Disk Usage. Superfetch is similar to a drive caching. The service helps to copy all the memory of the commonly used filed to the system’s RAM. That is the reason why the programs are able to boot much faster when you use them.
How to fix service host SuperFetch high disk usage?
How to fix service host SysMain (Superfetch) High CPU and Disk Usage
- Stop SysMain service. The number one thing proposed on multiple forums is terminating the SysMain service to prevent high resource usage.
- Install Pending Updates. Sometimes SysMain may not work correctly due to wrong or bugged configuration. ...
- Run a Clean Bootup. ...
- Perform a System Restore. ...
- Upgrade to an SSD. ...
Should I disable SuperFetch in services?
Way 1: Turn off Windows Superfetch in Services
- Press Windows + R to activate the Run box and then enter services.msc in the box. Finally, hit OK to go to Services window.
- Scroll down to find out Superfetch service and right click it to open its Properties.
- In Superfetch Properties window, locate the Startup type and choose to make it Disabled. ...
- Click Apply and OK to save changes.
What is SuperFetch and how can you disable it?
You should disable Superfetch if you notice that it’s increasing CPU usage, eating up RAM, or throwing your hard disk into overdrive. With Superfetch overusing disk resources, it could cause a noticeable drop in your computer’s speed and performance. This can happen even if you’re using an SSD instead of an older HDD.
Is it safe to disable service host Superfetch?
You should disable Superfetch if you notice that it's increasing CPU usage, eating up RAM, or throwing your hard disk into overdrive. With Superfetch overusing disk resources, it could cause a noticeable drop in your computer's speed and performance. This can happen even if you're using an SSD instead of an older HDD.
Why is Superfetch using so much memory?
Superfetch is like drive caching. It copies all your commonly used files to RAM. This allows programs to boot faster. However, if your system doesn't have the latest hardware, Service Host Superfetch can easily cause high disk usage.
How does Superfetch work?
The main purpose of the feature is to speed up application load times for those running hard drives—especially older ones. Those running a solid state drive (SSD) will not see much improvement from the feature, since by default SuperFetch does not load applications into memory if an SSD is detected on your system.
Is it safe to disable service host SysMain?
Q #1) Is it ok to disable service host Sysmain? Answer: Yes, if SysMain is consuming high CPU usage, you can disable it, but this will disable some automatic programs in the system.
What is Superfetch called now?
Superfetch was introduced in Windows Vista, and on the latest versions of Windows 10 it's now known as Sysmain. Ultimately, the purpose of every generation of Superfetch has been the same: to increase the performance of Windows by preloading apps you frequently use into RAM before you need to use them.
Should I disable Prefetch and Superfetch?
No, when you need this functionality. It is an in-built service of the Windows operating system, and it is required to make your PC smoother. That is why it is not recommended to disable Superfetch until it causes any issue.
What happens if I disable Superfetch?
Is it safe to disable Superfetch? Yes! There is no risk of side effects if you decide to turn it off. We recommend that if your system is running well, leave it on.
How do I fix Superfetch?
Fix to try: Disable the service!Press the Windows Logo key and R key on your keyboard at the same time to open Run dialog. Type “services. msc” in the dialog and click OK. ... Double click Superfetch.Select Disabled from the Startup type drop-down menu, then click the Stop button. After that, click OK.
How do I turn off Superfetch in Windows 11?
0:001:17How to Disable SuperFetch in Windows 11 - YouTubeYouTubeStart of suggested clipEnd of suggested clipMain double-click on it to open look for service status click on stop wait until it's done setMoreMain double-click on it to open look for service status click on stop wait until it's done set startup type to disabled. Click on apply and ok super fetch is disabled.
Does disabling SysMain improve performance?
Disabling sysmain may temporarily reduce the lag, but not completely and permanently. If you are noticing high disk usage, check whether it was the system process or not, if yes, then no point in disabling sysmain. Instead, try to find why system process (or whatever else) is thrashing the hard disk.
Is service host SysMain necessary?
Luckily, it isn't an essential system process and can be disabled if necessary. If you think that SysMain is causing you issues, it's better to disable it. Using our methods below, you can find a solution to help restore your computer.
Is service host SysMain a virus?
Service Host SysMain is a legitimate service. You may have come across an older version of Windows. Its purpose is to analyze “system processes” usage and performance. It also optimizes its time for apps to open and close.
What does SuperFetch do?
What does Service Host SuperFetch do? 1 Cuts down the PC’s boot time 2 Allows you to find your application easily 3 It adds up to quick functioning on your application 4 Easily loads regular apps
Why is my service host superfetch high disk usage?
Superfetch high disk usage usually occurs because this service often makes your PC use its maximum ability and resources to respond to I/O requests.
Can Superfetch cause high disk usage?
When you experience Service Host Superfetch always causing high disk usage, you may need to disable it. Disabling Superfetch won’t cause your system any ...
Is Superfetch a good service?
Service Host Superfetch is usually a good process until you see it with high disk usage issue characters. Once your applications are running smoothly, SuperFetch will completely take away that happiness.
Does Superfetch clean up RAM?
Normally, it cleans up the RAM and copies the frequently used and new files that you’ve recently accessed. Once Superfetch service completes overhauling your PC’s RAM, the disk usage will automatically reduce. However, it should be a concern to you if the disk usage doesn’t reduce.
Does Superfetch use 100% of memory?
Sometimes Superfetch uses up to 100% of memory. This problem has been reported by many Windows users.
Is Superfetch a virus?
It is not a virus like some users may think. You’ll find Superfetch on the Task Manager because, like a number of other Windows 10 services, SuperFetch doesn’t run on its own. It is not a listed process but is collected under the generic “Service Host” processes.
What is superfetch in Windows Vista?
Superfetch is part of Windows Vista and onwards. This technology allows Windows OS to manage random memory so that your apps can perform efficiently. It helps third-party apps and critical W indows components to execute quickly common tasks.
Why is superfetch important?
In a nutshell, it boosts your system speed by doing three tasks. 1. Decreases boot time. 2.
Is Superfetch bad for your system?
It copies all your commonly used files to RAM. This allows programs to boot faster. However, if your system doesn’t have the latest hardware, Service Host Superfetch can easily cause high disk usage. Although often alarming, Superfetch high disk usage is rarely a dangerous sign.
Turn off the Superfetch from the Services
In order to deactivate the Superfetch feature from the Services, follow the steps below.
The second way to Disable Superfetch Feature is using Command Prompt
There will be steps here regarding how to disable the Superfetch feature. So, follow it accordingly.
Another way to Deactivate the Superfetch is to use Registry Editor
The final process to deactivate the Superfetch feature is to use the ‘Registry Editor’. Before altering any keys present within the registry take a backup. Follow these steps below, in order to know how can you do it.
What is superfetch service?
Superfetch is like drive caching. It copies all your commonly used files to RAM. This allows programs to boot faster. However, if your system doesn't have the latest hardware, Service Host Superfetch can easily cause high disk usage. High disk usage due to this service isn't always a problem.
What is superfetch in Windows Vista?
Superfetch is part of Windows Vista and onwards. This technology allows Windows OS to manage random memory so that your apps can perform efficiently. It helps third-party apps and critical Windows components to execute common tasks quickly.
What is svchost.exe?
Svchost.exe is a generic host process name for services that run from dynamic-link libraries. Microsoft started changing much of the Windows functionality from relying on internal Windows services (which ran from EXE files) to using DLL files instead. From a programming perspective, this makes the code more reusable and arguably easier to keep up to date. The problem is that you can't launch a DLL file directly from Windows the same way you can an executable file. Instead, a shell that is loaded from an executable file is used to host these DLL services. And so the Service Host process (svchost.exe) was born.
What is super fetch in Windows 10?
What is SuperFetch In Windows 10 and what does it do? SuperFetch is an innovative memory manager that analyzes usage patterns over time to optimize memory content.
Can you stop Superfetch?
Sadly, for a few , stopping the Superfetch process is only the beginning. Once you restart the PC, other Windows 10 processes might crawl up in Task Manager, feeding on the disk.
Does Superfetch freeze your game?
Many also say that the Superfetch process results in unexpected spikes of memory, even at times freezing the system.
Why is server host superfetch important?
This is much more efficient, because the computer works less before opening an application, thereby saving you time. In other words, server host superfetch adapts the computer to you.
How to turn off superfetch?
Here is one way to turn off service host superfetch: Enter Services and find Superfetch. Double click on Superfetch in services and select Disable. Click the Start button. In the search bar, type “Services” and press Enter. In the new window, click on the “Superfetch” tab and in Properties click on the “Disabled” line. Next, click Stop.
Does Superfetch work on Windows 10?
Of course, service host superfetch on Windows 10 is a useful feature — the computer runs much faster and more efficiently. But, if it bothers you, you can completely turn it off and nothing bad will happen. You will continue to operate the computer, only at a slightly lower speed.
How to fix service host superfetch?
In this case, you can run troubleshooter to fix it. Step 1: Right-click the Start button and choose Settings. Step 2: Navigate to Update & Security > Troubleshoot. Step 3: In the right pane, find and click Windows Update.
How to stop superfetch?
Step 1: Press Windows + R to open Run window. Step 2: Input cmd in the box and press Ctrl + Shift + Enter to open Command Prompt as administrator. Step 3: Input the command net.exe stop superfetch and press Enter key. After that, you can check if the problem is resolved.
What is super fetch?
SuperFetch, as a successor to PreFetch, is a feature of Windows Vista and above editions. It analyzes your system to generate a profile of programs and applications you run most often, and load elements of those applications onto your RAM pre-emptively to help you load them up more quickly .
