Service Host Superfetch: Fix High CPU Usage in Windows 10

There are many system processes made available for Windows 10 by the Microsoft community. However, some of them became a pain gradually, and the Service Host Superfetch is one among them. It is causing high disk usage in Windows 10 PCs, resulting in sluggish performance. If you are a prey to this “Service Host: Superfetch” high disk usage, then don’t worry, we are here to help you.

In this article let us know what exactly is Service Host Superfetch, why is it causing high disk usage and different methods to disable it or fix it.

What is Service Host Supetfetch And What Does It Do?

Superfetch is part of Windows Vista and onwards which allows Windows OS to manage random memory so that your apps can perform efficiently.

It helps the critical Windows components and the third party applications to quickly execute common tasks by storing and reading data for regularly used apps directly from RAM instead of resorting to the hard drive.

Basically, Superfetch is like drive catching, it copies all commonly used files to Random Acces Memory (RAM). It also helps in increasing the booting time for system programs.

But, if your system is not updated to its latest version, then the Service Host Superfetch will cause high disk usage. If you are a windows 10 user and your Service Host Superfetch is causing high disk usage, then read on the following ways to fix it.

Should I Disable Service Host Superfetch?

After knowing that there are high chances for you Service Host Superfetch to cause high disk usage, you might come down to this question, Should I disable SuperFetch in Windows 10?

Service host Superfetch does not create any kind of problems upon disabling it. It is merely a memory management process so it won’t create any significant errors even if you disable it.

However, Service Host Superfetch is not completely an unwanted process as it is known to run the PC more efficiently.

How To Fix Service Host Superfetch High Disk Usage Error?

The following are the best, quick and easy ways to fix the Service Host Superfetch 100% disk usage issue.

  1. Using Windows Troubleshooting
  2. Cleaning Up Junk Files To Optimize The Computer

Let us get started…

1. Using Windows Troubleshooting

As discussed above, windows update can be a cause for abnormally high CPU or Disk usage. So, in order to check if that is the culprit, then you need to run the troubleshooter. Follow the given step-by-step procedure to run the Windows troubleshooter.

Step 1: Press the Windows logo key on your keyboard. Click on Control Panel.

Step 2: View by Category. Click System and Security.

Step 3: Click Security and Maintenance and then click on Troubleshooting.

Step 4: Click Fix problems with Windows Update under System and Security.

Step 5: Now, hit the Next button. Then,  click on Try troubleshooting as an administrator and check if the error still persists.

2. Cleaning Up Junk Files To Optimize The Computer

If you face the Service Host Superfetch high disk usage problem recently, then try cleaning up the junk files. You can clean the junk files either manually or with the help of any third-party tools available online.

How To Disable Service Host Superfetch Service?

As discussed above, disabling Service Host Superfetch will not cause any kind of issues in the computer. So, if you decided to disable the Service Host Superfetch, here are two different ways to do it.

  1. Using Run Command
  2. Using Command Prompt

1. Using Run Command

One of the best ways to disable the Service Host Superfetch is by using the run command. The following is the step-by-step procedure to disable it using run command.

Step 1: Just press the Windows key and button R at the same time on your keyboard. Type in “services.msc” command in the search box provided.

Step 2: Now find “Superfetch” and edit Superfetch clicking on the property.

Step 3: Now “Stop” from stopping the Superfetch service and Superfetch to be Disabled. Click OK.

2. Using Command Prompt

Another method to disable the Service Host Superfetch is by using the Command Prompt. Below are the steps to do it.

Step 1: Click on Start. Search for Command Prompt and right-click on it. Then, click Run as administrator and click Yes to continue.

Step 2: Type in the command: net.exe stop Superfetch and press the Enter key on your keyboard. To see if changes can be seen in your computer’s performance, you need to wait for a few minutes.

Step 3: If you want, you can also run a disk check. To do that type in the following command: chkdsk.exe /f /r and press the Enter key on your keyboard.

Step 4: Then to confirm the disk check, type Y.


The above-mentioned methods are the different ways we came up with to fix the Service Host Superfetch high CPU usage and how to disable it you don’t need it anymore. So, if you have any doubts regarding these, please do feel free to drop them in the comments section provided below.

We will get back to you as soon as possible with the best of our knowledge. Hope this article came in handy and you are able to solve your issue.