Disable Service Host SuperFetch: How?

Disable Service Host SuperFetch – The Windows function known as “Superfetch” is intended to make your computer run faster, but it can actually make it run more slowly. Continue reading in order to gain an understanding of what Superfetch is, how it can be disabled, and the reasons why you might wish to do so. Then you should use a specialized performance booster to keep your computer in tip-top shape.

What is Superfetch?

Host of the Service The Windows function known as “Superfetch” is meant to quickly load frequently used applications and files into your system’s memory, which in turn speeds up the overall operation of your computer. Superfetch was one of the new features that were included in Windows Vista when it was released by Microsoft in 2007. Windows comes pre configured with a service called Superfetch.

Why Is There a Need for Superfetch?

The more it learns about your routines, the more precisely Superfetch is able to forecast when you will use particular applications and load them first. This allows Superfetch to improve the performance of your Windows PC.

Clearing the Superfetch queue before installing a new application ensures that there will be sufficient memory for the newly installed program. This brand new app, Superfetch, keeps track of when and how often you use it by analyzing data. However, there are situations in which Superfetch may actually cause more issues than it resolves; in these cases, turning Superfetch off may be of assistance.

How Service Host Superfetch Works

  • The algorithm in Superfetch can guess which apps you will open at certain times and days. It can guess up to the next three apps you’re going to open.
  • Superfetch guesses which program you’ll run next and loads the data you’ll need ahead of time. This is also what boot files do.
  • Superfetch is always changing, so it can always meet your needs. So, even if your favorite shows change over time, Superfetch will quickly adjust.

Disable Service Host SuperFetch

  1. Disable SuperFetch Service Using Windows Registry
  • First, you need to press the Windows Key + R , then the Run command will open.
  • Type ” Regedit ” and click OK.
  • You need to find and click on the HKEY_LOCAL_MACHINE folder
  • Now Navigate to SYSTEM > CurrentControlSet > Control > Session Manager > MemoryManagement > PrefetchParameters
  • Now choose New > DWORD Value.
  • Right click on it and select Modify.
  • Change the value to zero to enable SuperFetch and click Ok .
  1. Disable SuperFetch Service Using Services.msc
  • Right-click the Windows button in the lower-left corner of the desktop and click Run. Type services.msc and click OK to open Windows Service Manager.
  • In Windows Service Manager, find the Sysmain entry. Double click and set the Startup type status to Disabled .
  • Click OK , then reboot your system. Superfetch Host Service will be disabled.
  1. Disable Superfetch Service Using Command Prompt
  • Open the Start menu and type cmd . Select Run as administrator. Click Yes when prompted.
  • Paste the following command into Command Prompt, then press Enter : sc stop “SysMain” & sc config “SysMain” start = disabled
  • Restart your computer to use Windows with Superfetch turned off.
  1. Permanently Disable Windows Superfetch Service
  • Press Windows key + R key and type “offerings.MSC.”
  • Find the Windows Search option , double click it to enter its Properties window.
  • Change Startup type to Disabled.
  • Now click Apply and OK to save your changes.
  • Check your computer’s disk usage by typing “task manager” into the Windows search bar, then selecting Task Manager.

How to Track the Use of the Superfetch Disk

If your computer seems to be running slower than it should, you can check to see if Superfetch is using up too much disk space. How to keep an eye on Superfetch in Windows 10:

  • Right-click the Taskbar and choose Task Manager. 
  • In Task Manager, look for an item called Service Host: Service Host Superfetch is another name for SysMain.


That’s it, all the information for Disable SuperFetch Host Service that you can try on your computer. Hopefully this article is always useful.