How to Disable Superfetch on Windows 11

Today we focusing How to Disable Superfetch on Windows 11.
How to Disable Superfetch on Windows 11

In this article we will talk how to Disable Superfetch in Windows 11. SuperFetch is a Windows service that preloads frequently used applications into your computer’s memory so you can access them quickly. Sometimes, SuperFetch can be taken up System Resources. When this happens, you may notice slowness when playing games or performing RAM-intensive tasks.

Every time you run an application on your computer, the Windows operating system creates a preview file that contains information about the files loaded by the application. The information in the prefetch file is used to improve the application’s load time the next time you run it. SysMain tries to predict which applications you will launch next and loads all necessary data into memory in advance. Its prediction algorithm is excellent and can predict which 3 apps you will launch next day and at what time.

Microsoft’s Windows 11 operating system includes many new features features, and one of them is Superfetch, also known as SysMain. It’s a built-in service that preloads frequently used apps into memory, allowing quick access to apps. Below are the steps to disable Superfetch in Windows 11.

How to Disable Superfetch in Windows 11

Disable SuperFetch from Windows Services App

  • In the Windows search box, type services and select the Services utility from the results.
  • Locate the Superfetch service in the Services interface and double-click it to access its properties settings.
  • You can select Disabled from the dropdown menu in the Startup section. Then, in the Service Status field, click Stop button. Once the service termination process is complete, you can save the change by clicking Apply button Then ok button. You are now disabling the Windows SuperFetch service.
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Disable Windows SuperFetch via Registry Editor

  • Press Windows + R on your keyboard to open the Run prompt. Then type regedit and press Enter key.
  • When you open Registry Editor you can navigate to the following location:

HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control > Session Manager > Memory Management > PrefetchParameter

  • Select EnableSuperfetch from the right menu and double-click it. You can see that the value data is 3 indicating superfetch is enabled. It can be disabled by setting the value data to 0. Finally press OK button. After that, SuperFetch will be turned off when you restart the computer.

Disable SuperFetch using the command line

  • Run as administrator in command prompt.
  • Type the command lines “net.exe stop superfetch” and press Enter.
  • Type the command “sc config sysmain start=disabled” and press Enter. After that, you have successfully disabled Superfetch services.

Final words

We hope you like our article how to Disable Superfetch in Windows 11 SuperFetch or SysMain is a process introduced in Windows Vista designed to improve system performance. According to Microsoft, SuperFetch feature “Maintains and improves system performance over time. Same feature Also available on Windows 10 and newer Windows 11.


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