Service Host SuperFetch -Fix High disk usage in local Host System

Have you ever notice that your system lags due to the high usage of disk space in the Service host local system that problem is caused Service Host: Superfetch.  In this article, we gonna tell you how to deal with such problems. To fix this issue, Firstly we should know about what is service host Superfetch and the reason for the service host local system high disk to know better about your problems. 

Table of Contents:

Service Host SuperFetch


What is Service Host SuperFetch?

Service Host SuperFetch is a technique that helps you to increase the system’s performance. SuperFetch is the component of the Windows Operating system which was first introduced in Windows Vista and then to the other Operating Systems as well.

So many people are talking about this Service Host: Superfetch technique but no giving the right answer. Actually, this will helps your windows OS to efficiently manage so that, your PC can run without any lag. Although this technique is very beneficial, it sometimes leads to many problems.

SuperFetch helps the third-party applications and many other critical components of the Windows to execute the common tasks. SuperFetch reads and stores the data on the regular intervals to make sure that all the tasks are being performed quickly. This data is also used by various applications that are being run on the system. Generally fetching and storing the data from the RAM is comparatively easy than keeping it in the hard drive. There are many ways in which SuperFetch helps in decreasing the processing speed and increasing usage speed. 

SuperFetch helps in decreasing the boot time, quickly and efficiently loads the common apps and speed ups service host local system Usages for processing. 

What does the service host: SuperFetch do?

SuperFetch and drive caching have the same concept. This service helps to copy the memory of the most frequently used file to the system’s RAM, due to this the programs are able to boot much faster when you need to use them. This technique was the first part of Windows Vista was very beneficial. The three main tasks done by the SuperFetch are:

  1. Decreases Boot-Time
  2. Helps in faster loading of new applications.
  3. Learns the usage pattern

The main goals of the Service Host SuperFetch are to contribute to help in finishing the background application to run smoothly. It decreases the system boot time.

This is the utmost expectation of all the users without having much knowledge about the system, wouldn’t even know that Windows application takes different times to access the different files. The main thing that SuperFetch does here is that it makes a note of all the files that are opened and the access times taken by these files to run.

The collected data stored in a particular time-based. The advantage of doing this thing is that it helps the programs to run more efficiently, by reducing the boot time from minimum to almost zero. When the system is running smoothly and the number of files and folders in the system are also reduced, problems such as tech issues and malware also reduced, making the system more efficient. Service host SuperFetch high disk usages is also another issue that also reduces.

The second main goal of the SuperFetch function is to pre-load the application that is used more often to be kept in the queue above all other programs. SuperFetch can be thought of as a smart choice that lines up the programs based upon their usage.

The main problem in this service is encountered when you are not running on the most advanced hardware required for the support of the caching. In these cases, a large amount of disk usage is reported. Most of the people also neglect the SuperFetch error, but this can be a serious issue due to the high amount of disk space that is being used. When the maximum disk space is in use the system responds with the maximum ability to the I/O requests that are made by the service, and then it tries to clear the memory of RAM. This also leads to the copying of the new files which are being accessed by the user.

Why do you need to worry about the High CPU usage?

Now, the main question is whether the service should be disabled or not, or what are the steps that can be taken. The steps are discussed in the next section of the article, but let’s have a look at the reason that wants us to worry about the High CPU usage.

People are always worried that SuperFetch has a high disk risk running in the background, but this is not the case. The SuperFetch actually works to optimize the programs, but it is important to investigate the root cause of this problem.

When the system is being continuously used with several different applications running, your RAM starts to fill-up with the different types of files and applications. Due to this process, the service host SuperFetch starts to work slow and It takes more time to start any application, and in this case the users always that the service should be disabled.

Let us bring out the logic in this scenario. When you start to notice that the SuperFetch is making your system slow and also giving some high disk usage risk, the option might serve to be the right choice. You can disable the service to retail the smooth functioning of the system; you might also decide to disable the SuperFetch. You can sometimes discuss the required details so that you can ensure that it is a perfect choice for the SuperFetch.

The main things that you can try to do are:

  1. Disable it from the service
  2. You can also use the Windows Registry, as these two can really help you to get rid of the service host from the SuperFetch system. Moreover, the steps are easy and can also reduce the problems to a great extent.

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Taking care of high disk usage risk:

Cleaning the junk and the unwanted files from the system can work wonders in order to reduce the high disk usage risk from your system. This is also not only help in cleaning the system but also helps in the reduction of the technical issues in the system. If you would keep up your system clean, this would lead to the fast functioning and would also provide an instant boost to the system. Most of the users are aware of the fact that what steps are actually required for the clean-up but sometimes having the knowledge is not just enough, you need to have the right knowledge and the correct steps should be taken.

You can manually start the process of the sorting out of the junk and deleting the unnecessary data and files but that would take lots of time, and is practically not feasible. One of the easy ways to do this is to recommend an automatic clean up by the use of some tool or technique, which would take care of sorting out the things. This would surely take care of the service host local system high disk.

How to fix service host Superfetch high disk usage risk?

Service Host SuperFetch high disk usage risk can be a big problem, so it needs to be handled properly. There are various ways of overcoming this problem created by SuperFetch. There are some of them mentioned in the article below:

1. Disabling service host SuperFetch in Windows 10 from the service:

In order to overcome the SuperFetch Host service, you can disable the SuperFetch from the service. Here is how you can do that:

  • Click on the shortcut Windows +R, after clicking a dialog box with many options would open.
  • In a similar manner, press the Start in the Windows and then writer ‘run’, this would help in locating the dialog box.
  • After you have located the dialog box, write ‘services.mic’, this step would help you to bring the service window.
  • After you have been given the list of the application, find the SuperFetch option.

2. Disc Overhauling: Disc Overhauling is one of the services that would help you overcome the issues created by the SuperFetch. Disc Overhauling helps in the reduction of the disk storage on the board which helps in clearing the memory for the other application. Therefore Disc overhauling is an effective solution.


3. Disable it from the Windows Registry: One of the other options to disable the service is that you can do it from the Windows Registry. Here are the steps that you have to follow to disable it from the Registry.

You can open the Run dialogue box with the help of the start button.

After you have opened the Run dialogue box, type “Regedit”

Once you have found the registry window, go to the HKEY_LOCAL_MACHINE folder

In this step, you have to navigate to the SYSTEM> CurrentControlSet

In the last step you have to go to Control>Session Manager>Memory Management> Prefetch Parameters.

Then, Double click on ‘Disable SuperFetch’ written on the left side.


  1. If you fail to find the file with the ways that are listed above, you can opt for these steps to find the file:
  • You have to right-click on the Prefetch Parameters folder
  • Then Select, open New> DWORD Value
  • Enter ‘0’ for the value and this would disable the device.
  • Then Select OK.
  1. Run Disk Clean up:

Another way that would help you to optimize the system and take your system out of this problem is by freeing up the memory of the system and sometimes restarting the system also helps a lot. Out of all the ways that are mentioned above, this is the easiest and feasible way to reduce the risk of the high disk and also clean up some space.

There are many latest types of software available that would help you with this function. You should always keep your system updated, and that at regular intervals, which is also more convenient and easy method.


In the article, everything about Service Host SuperFetch has been mentioned in order to help the people who are experts as well as those who don’t have much knowledge about this aspect. This topic of SuperFetch has drawn much attention over the years. This is a serious system issue that needs to be handled well.

This article touches on the reasons that should be looked at in order to work for the SuperFetch, issue of high disk Usage risk. There are ways that are mentioned in the article in order to fix the high disk risk and many other issues caused by the SuperFetch. Having knowledge is not enough; the main issue lies in having the correct knowledge.

Concluding, I hope that this article would help you to gain an insight into the SuperFetch as well as help you resolve the issue.