Whenever you run an app on your Windows PC, the Windows OS creates a Prefetch file that contains the information regarding the loaded files by the app. This information later on fastens the loading time the next time you run it.
sysMain or Superfetch predicts the apps you will launch the next and preloads the necessary data into the memory. It can predict the next three apps you will launch by the next time. On Solid state drivers, this causes unnecessary write operations.
This results in slowing down the SDD and ultimately slowing down the system performance. It can also slow down the system’s startup as well. For all such reasons, people are looking for the guide how to disable superfetch Windows 11.
Methods to permanently disable Superfetch Windows 11
SuperFetch is the former name for SysMain, a type of service that runs in the background to determine and moderate your app activity so as to allocate the resources efficiently. There are pros and cons both with using this service that you can research on your own.
Generally, Windows users don’t like the service because it is continually running in the background. You can turn off this service on your computer and believe us you won’t receive any issue. Below, we have provided you different methods how to disable SuperFetch on Windows 11. Make sure you follow the correct steps:
Method 1: Use the Windows Services
- Click on the search magnifying glass on the taskbar and type in services,
- Click on Services listed right above the app to open it,
- Scroll down in it to Sys Main, and double-click on it and set Startup Type to Disable,
- If services are running, select Stop,
- Once done, click Apply and confirm with OK.
Method 2: Disable Superfetch from Registry
The second method is to edit the registry of your computer. It will allow you to choose from four options as to how the Superfetch would run on the system. Here are the required steps you have to follow to disable superfetch by editing registry:
- Press Win+ R, type in Regedit and hit Enter to open Registry Editor,
- Navigate to HKEY_LOCAL_MACHINE > SYSTEM > CurrentControlSet > Control > Session Manager > Memory Management > PrefetchParameters,
- Right-click on PrefetchParameters folder and then choose New> DWORD value and name it as EnableSuperfetch,
- Give EnableSuperfetch one of the value from following:
0 – to disable Superfetch
1 – to enable prefetching when the program is launched
2 – to enable boot prefetching and
3 – to enable prefetching of everything
- Press OK and then exit the registry editor once done.
Method 3: Use Command Prompt to disable Superfetch
- Search for cmd on the Windows Search,
- Right-click on Command Prompt and select Run as Administrator,
- Type below in the command line and hit Enter:
“net.exe stop superfetch”
- After that, type the below command and hit Enter:
“sc config sysmain start=disabled”
- That’s it. The service is now completely disabled.
Conclusion
Superfetch or SysMain service doesn’t consume much storage, though the service goes malfunctioned, it may use high amount of CPU. In this case, you should look for the option to disable this service to increase the performance.
In other cases, you will not find any performance improvement on doing this. Since it is a built-in service and is required by PC to make it to run smoother, you should require not to disable it under ordinary situation. Thanks for reading the article. Stay tuned to get the latest tech related updates.
