What is Service Host SuperFetch and how do you fix it in Windows?



PC users must know that what is SuperFetch and what is its utility for the system. Windows SuperFetch was rolled out as a successor to Prefetch and was launched with Windows Vista. It is basically a process that analyses your computer and in particular monitors your RAM usage.

It runs and displays the profile of your commonly-used applications and programs.  With time, service host SuperFetch learns what applications you use more often by tapping on your pattern and usage on the system.

Service host SuperFetch windows 10 then helps in loading the frequently used programs quickly so that whenever you open them, they open up much faster.                                 

What does Service Host SuperFetch do?

Many of the PC users are not aware of what is service host SuperFetch and its effects on the system. Service Host SuperFetch comes as a part of Windows Vista and onwards. The basic function is to manage the memory of the user’s applications and programs on Windows OS so that they run effectively.

The third-party apps and other components of the SuperFetch Windows 10 are able to perform their tasks far more quickly and effectively with service host SuperFetch windows 10 on your system.

Service Host SuperFetch does it by analyzing and reading the stored data directly from RAM instead of the hard drive because getting data information from RAM is easier and quicker as compared to fetching it from the hard drive.

Windows 10 service host SuperFetch helps in opening and using your programs and apps in a fraction of second and effectuates efficient performance. Thus, it makes your computer system proficient by performing by the following activities.

  • Allows the apps to load quickly.
  • Decreases boot time.
  • Learns your app-usage pattern.

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How does Service Host SuperFetch create a problem?

Now that we know what is SuperFetch, let us see how does it pose problems for our PC. This service host may create some problems in your system over a considerable period of time. As service host SuperFetch runs in the background, it uses resources like CPU and RAM and interferes with the functioning of the system.

So, if you are using weak hardware or a heavily optimized system, service host SuperFetch high disk may cause a break down in the system. The programs and applications may experience a slowdown because of service host SuperFetch windows 10 that may become unavoidable.

Users of Windows who have learned that what is SuperFetch windows 10 must also learn about the slowdown that it causes to their system. SuperFetch may cause preloading problems too.

Users have reported problems in booting their SuperFetch Windows 10 as the hard drive starts to load up different applications beforehand and then sets down to booting. This may be useful when you use those apps and services on your system but if do not need those programs, then booting may become a troublesome process for your system.

Thus, servicehost SuperFetch may slow down your computer counteract its very purpose of making the system efficient.

Other users have also reported that SuperFetch Windows 10 causes a problem with the operation of hard drive and CPU when they play games on the computer. However, this problem may be faced by users running a system with less than 4 GB.

This is highly likely because games eat up a large space of RAM and service host SuperFetch high disk may get in the way of your optimized gaming.

How to disable Service Host SuperFetch?

After we have seen what is service host SuperFetch, let us see how we can disable it. High disk usage is not a problem when you use Service Host SuperFetch. When you are using this hosting service on your PC for some time, then it might start filling the RAM with the files that you frequently use and that may create trouble.

The size of your files will increase over a period of time and eat up a major chunk of your computer’s space and then you might find it time-consuming to sort out your memory. At this point service host SuperFetch, high disk creates a problem.

Users vying for using must know what is service host SuperFetch and how does it affect your system. When you want to have some free space on your computer then servicehost SuperFetch will be a big bottleneck to get rid off as it causes high disk usage.

You can easily disable it and it will not cause instability or erroneous operation in your computer. But you may experience some commonly-used apps to be sluggish in functioning and they would load as usual once you enable service host SuperFetch.

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We are discussing two methods to disable this windows 10 service host SuperFetch and you follow either of two methods as both of them are same. Follow the instruction carefully and you will disable this service host SuperFetch easily.

# Method 1: Disable it from Services

  • Open the Run dialogue box by pressing Windows key + R.
  • You can even open the Run dialogue box by clicking on the Start button in Windows and then type Run.
  • Now you have to open the Services Window. For that type ‘services.msc’ and press Enter.
  • A list of services will be opened on your screen. From there find SuperFetch.
  • Now, Right-click on SuperFetch service and select Properties.
  • The properties window will pop up, then click on Stop.
  • Then, click disabled under the ‘start-up type’ drop-down menu in Properties.

The service will be disabled. You can now go back to the Task Manager and check your disk usage. It will run normally now.

# Method 2: Using Windows Registry

You can also disable servicehost SuperFetch from Windows Registry. Just follow the steps mentioned below and you will get rid of this memory management service.

  • Open the Run dialogue box by pressing Windows key + R.
  • You can even open the Run dialogue box by clicking on the Start option and then type run in the search option.
  • Once you have opened the Run dialogue box, type “Regedit” (without quotes) and press Enter.
  • Now, registry windows will appear on your screen. After this, go to the HKEY_LOCAL_MACHINE folder.
  • When you opened this folder, go to SYSTEM > CurrentControlSet > Control > Session Manager > MemoryManagement > PrefetchParameters.
  • Lastly, double-click on the ‘Enable SuperFetch’ displayed on the right side.

If you cannot find the option of “Enable SuperFetch”, then follow the additional steps mentioned below.

  • Find the PrefetchParameters folders and right click on it.
  • Now, open New > DWORD Value from the options displayed.
  • Enter 0 as the value to disable this service host.
  • Lastly, select OK.
  • Close the registry editor and you are done!

Go to task manager and you will no longer find service host SuperFetch.


With the above discussion, we have learned what is SuperFetch windows 10 and its effects on the computer. You can easily disable it using the methods we have mentioned above.

Follow the steps carefully and you will get rid of retardation that you are experiencing on your system.

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