Service Host SuperFetch is a Windows service process that increases hard disk performance, but at times cause a slowdown with a Solid State Drive (SSD). Are you worried about the SuperFetch service that creates high disk usage on your computer?
In case it happens to be one of you personally, here is everything you need to learn about SuperFetch. What is Service Host SuperFetch? What does it do? And how do you fix it when it goes wrong? You’ll discover answers to these questions below.
Table of Contents
What is Service Host SuperFetch?
SuperFetch initially introduced in Windows Vista for a successor to PreFetch, found in Windows XP. It is a part of Windows Vista and onwards Windows OS. This technology enables the Windows Operating System to handle random memory so that your programs can perform efficiently.
It is a process that assesses your system especially your RAM usage to create a profile of the applications and programs that you run most often. As you use your system, SuperFetch gradually learns what you operate most often and will pre-emptively load components of these applications on your RAM.
So that when you want them, they load up much faster than they might otherwise. In short, hard drives should see a noticeable improvement in performance as a result of SuperFetch, but SSD-driven applications won’t.
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What does it do?
In brief, it boosts your system speed by doing three jobs.
- Decreases boot time
- Quickly loads common apps
- Learns your usage pattern
It helps third-party programs and critical Windows elements to execute fast common tasks. To make this happen, SuperFetch saves and reads information for frequently used programs directly from RAM rather than resorting to the hard disk.
Since fetching data from RAM is faster compared to reading it in the hard disk, SuperFetch helps you open widely used programs in a snap.
Service Host SuperFetch Disk Usage Problem – How Does It Go Wrong?
Such as so many other Windows features, SuperFetch can sometimes go wrong and cause many problems than it fixes. Since SuperFetch is always running in the system background, it does use some system resources like RAM and CPU, which in case if you are running a heavily optimized system, or one with especially weak hardware, may cause slowdowns which you want to avoid for sure.
SuperFetch is similar to drive caching. It copies all of your commonly used files to Random Access Memory (RAM). This permits apps to boot faster. But if your system does not have the most recent hardware, Service Host SuperFetch can easily trigger high disk usage.
Should I disable it?
In the end, everything comes down to a question that should I disable SuperFetch in Windows Operating Systems such as Windows Vista, 8, 8.1, 10? And in doing this, will it have any effect?
You may want to disable it when you detect Service Host SuperFetch causing disk usage. Disabling this service will not lead to system instability. You may feel some lag when accessing commonly-used apps that would load faster when it’s enabled.
How to disable SuperFetch?
You can use the following steps to disable this service.
- First open Run dialogue box by pressing the Windows key + R on the keyboard.
- Type ‘services.msc’ in Run dialogue box and press the Enter button to bring up the window of Services.
- Locate SuperFetch once you have the list of Services.
4. Right-click on it and choose Properties.
5. After the Properties window pops up, click on Stop.
6. In the ‘Startup type’ drop-down menu in Properties, click Disabled.
Reboot your Windows when you complete all of the steps. That’s enough. Return to the Task Manager and check your disk usage. It should report normal usage.
I hope this guide has provided enough information regarding Service Host SuperFetch to you and how to disable it. Now you can quickly bring your disk usage back to normal by using Services method.