How to Disable SuperFetch on Windows 8

How to Disable SuperFetch on Windows 8In order to disable Superfetch on Windows 8, first, turn off the Service Host (also known as SysMain). Make sure that this service is generating minimal disk usage, and that the CPU is only using a small percentage of its resources. Disabling Superfetch may cause a high CPU temperature, so you should turn it off if the disk usage is in the double digits.

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How to disable SuperFetch on Windows 8 is quite easy, but first you need to know how it works. SuperFetch is also known as SysMain. To disable this service, you need to go into the Windows registry, using the Start menu search box and type in “regedit”. In the resulting window, select the key HKEY_LOCAL_MACHINE, and then right-click on the entry named EnableSuperfetch. Change the value to 0, then press OK.

The next step in disabling SuperFetch on Windows 8 involves adjusting the settings in the Windows registry. Open the Windows Registry Editor and type in “EnablePrefetcher” and set its value to 0. This will prevent the SuperFetch service from using your hard disk and utilizing valuable resources. In addition to the performance benefits, disabling SuperFetch is safe and won’t have any negative effects.


If you’re wondering how to speed up Windows 8, you may be interested to learn how to disable SuperFetch. This process preloads commonly-used applications into memory prior to loading them. SuperFetch will make the process run more smoothly and quickly, as it prioritizes applications over background services. While this would be useful for a personal desktop, it’s more problematic for servers and other computing systems, where it has no positive impact on performance.

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One of the easiest ways to disable SuperFetch is to access the Command Prompt. Type cmd into the Start menu search bar and select “Run as administrator.” Now, type in the following command: sc stop “SysMain” and sc config “Superfetch” in the console window. When you are finished, restart your PC. Then, you can use SuperFetch as you normally would, but if you want to stop it completely, you need to disable it.


You may be wondering how to disable the SuperFetch service on Windows 8. This service is run by the Service Host and it should be on the minimum. However, if you see that the SuperFetch service is running at a high percentage and consuming double digit MB/s of disk space, you should disable it. This will prevent your system from using a lot of CPU resources, leading to high CPU temperatures.

To disable this service, you need to go to the Device Manager, and look for the “SysMain” service. Right-click on the value and choose Edit. Alternatively, you can also double-click on the value to edit it. If you don’t like the result of your changes, you can disable it permanently. You can also find out how to disable SysMain by using the Windows Logo key and then clicking on “Run”. In the Run dialog, type in “regedit” and click on the resulting window. This will open up the Registry Editor. From here, look for the PrefetchParameters sub-key and modify the value.

Turning off SysMain

In Windows 8, you can disable the Superfetch and SysMain services from the Services app. In addition, you can disable the superfetch service by right-clicking them and setting the startup type to ‘Disabled.’ You can also disable the service manually from the Command Prompt by typing the following commands: sc stop “SysMain” and sc config “SysMain” into the console.

The memory manager on your computer is a system component called SysMain. Its job is to optimize the use of RAM by ensuring that the most frequently used applications are read from RAM before running on the hard drive. However, you should be aware that this feature can cause your computer to stutter and freeze during boot up. Moreover, you should know that disabling Superfetch in Windows 8 may alter the way applications are launched.

Turning off Prefetch

If you’re having trouble with your PC’s loading speed, turning off Prefetch in Windows 8 can improve your performance. To disable this feature, open the Registry editor. Click on the Start icon, type “regedit,” and then double-click the PrefetchParameters folder. To turn off the feature, restart your PC. You’ll notice a noticeable improvement in your PC’s loading speed.

As a general rule, Superfetch and Prefetch improve system responsiveness. The services help the computer predict what the user is going to do next and load the necessary data into memory before it even begins to execute the operation. However, it can actually hurt performance on SSDs. To disable these services in Windows 8, you need to go into your PC’s startup menu and select Services. If you don’t see it, double-click the Superfetch service.

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Turning off Superfetch

In order to turn off Superfetch, you must first enable the System Protection feature in Windows. To do this, open the Start menu and click on the Run icon. Type regedit into the Start menu search bar. Alternatively, click on the Windows key + R to open the Run dialog box. Locate the PrefetchParameters key in the left sidebar and change its value data to 0 to disable Superfetch. Once you have disabled the Superfetch service, restart the system.

If you’ve noticed your system is using a lot of CPU power, you should disable Superfetch service. While Superfetch can make your PC run faster, it’s best to leave it turned on unless you experience significant performance issues. However, you should not disable it until you’re sure it’s causing a problem. For this, you can install an application called SSD Tweaker.

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