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Service Host SuperFetch: What is it & How to Fix it?

The latest version of Windows 10 is one of the best version made by Microsoft. With amazing support to new hardware and some unique traditional features such as Service Host Superfetch, it could affect your system’s performance.

What is Service Host Superfetch

For this, in this article, I will explain what Superfetch is, how it works, and how you can fix it by using different methods to avoid the problems and boost your system performance again.

What is Service Host Superfetch ?

Initially, Microsoft introduced this feature in its Windows XP that performs exceptionally well. And it is now a part of the latest version of Windows 10 too. It is a process, which analyzes your system’s RAM usage.

By analyzing the RAM usage, Superfetch creates a list of applications and programs you use regularly.

In this way, when you use your system, Superfetch process successively learns what applications and programs you use regularly.

Thus, to open your favorite apps fast, Superfetch loads apps onto the system’s RAM. So when you plan to use those apps, they load up very quickly then they might otherwise.

What Does Superfetch Do?

As I mention it before, Superfetch is a part of Windows OS that manages RAM so that your favorite apps and programs work at fast pace and proficiently.

In simple words, Superfetch helps Windows programs and third party apps to perform efficiently. So how “Superfetch” works?

Well, it reads and stores those apps that you often use directly from RAM instead of using the hard drive.

The reason why Windows OS uses Superfetch is that fetching data from RAM is faster as compared to reading it from system’s hard drive.

In short, Service Host: Superfetch makes your system performs faster by doing three tasks:

  • Significantly decreases apps and programs boot times
  • Rapidly opens apps and program that user use on a regular basis
  • Intelligently learns user usage pattern to provide ultimate service while you are using it

Is Superfetch High Disk Becomes Problematic?

Similar to many other features offered by Windows OS, Service Host: Superfetch can also be erring sometimes.

Since this superfetch is always operated in the background, it uses CPU and RAM resources to perform well.

It is like a driving cache that copies and reads all your regular usage programs by using RAM. Therefore, it makes the program or app to open faster.

Although, the problem regarding “Service Host Superfetch disk usage” usually happens when your hardware gets old that slower the system performance and don’t want this problem to occur.

Moreover, the sign of Superfetch high disk usage is rarely problematic. This happens because the superfetch service makes your system to use its resources to the maximum upon I/O requests.

However, due to high disk usage in Windows 10 and previous Windows version, users may face different types of issues related to system performance.

Some have claimed that they face system booting very slow especially when their hard drive is forced to run a massive bunch of apps and programs before Windows loads its essential function apps.

While some users claim that they have notice Superfetch feature sucking up a massive part of CPU and hard drive, especially when you are running heavy editing software or during gaming sessions.

The problem of “Superfetch Disk Usage” happens with the systems that have less than 4 GB, according to PC gamer.

This might be possible that the games or software you are using on your system uses a massive part of RAM. And at the same time, Superfetch is getting in a way and causes great lags.

How to Spot “Superfetch” is Slowing Down Your System

If you want to check whether your system is slowing down due to Superfetch disk usage or not, it might be complicated for you to find out when you open the Task Manager.

This happens because, in the latest version of Windows 10, Superfetch for the first time does not run as its separate process.

This is because Microsoft is shifting away from the strong, but troublesome “.exe files” to less problematic process such as DDL files.

Nowadays DDL files are much generally used within the Windows OS. However, they need a shell to host them. Thus, the generic Service host is for overall Superfetch process.

Therefore, to find the Service Host Superfetch high disk, all you need to scroll through the exhaustive list of Service Host processes to find the one called “Service Host: Superfetch.”

Service Host Superfetch

How to Fix Superfetch Windows 10

The only way to fix Superfetch Windows 10 high disk usage if you run mixed drive system. Like having a larger drive for memory storage purposes while the OS runs on SSD.

Since Superfetch doesn’t affect SSD drive, it will enhance the performance of apps running from drive without disturbing the operations of SSD.

How to Disable Service Host Superfetch

So this is clear if your system is running fine without any slowdowns, then you don’t need to disable superfetch.

Alternatively, there are some other ways to boost your system’s performance rather than switching off Service Host Super Fetch.

However, if you see unusual spikes of Superfetch high disk usage, the following methods will help you to disable it:

Disable Superfetch via Windows 10 Services

  1. First, open your system > Now press “Windows key + R” Or go to the bottom left search bar in Windows 10 and type “Run” and press Enter button.
  2. The Run box will appear on the screen > in the box type “Services.msc” and click the “Okay” or press Enter button
  3. The list of services will appear on the screen > Now scroll down and search for “Superfetch.”
  4. Once you find it, right click on it and select “Stop” from the list.
  5. To stop it from switching on again when you restart your system > right click it again and this time select “Properties” option
  6. In the drop-down menu next to “Startup Type,” select “Disabled.”

Service Host Superfetch

Disable Superfetch by Using Windows 10 Registry

If you know how to use Windows registry to disable unwanted services or features, you can also use it to disable Superfetch. To do so:

  1. First, open your system and follow step 1 of “Disable Service Host Superfetch via Windows 10 Services” method
  2. Now when the Run box appears on the screen, type “Regedit” and click “Okay” or hit the “Enter” key.
  3. The registry editor will appear on the screen navigate through HKEY_LOCAL_MACHINE—System—CurrentControlSet—Control—Session Manager—MemoryManagement, and select “PrefetchParameters.”
  4. Open up the “Enabled Superfetch” value by double-clicking
  5. Change its value to 0 to disable SuperFetch. Then click the “OK” button and close down the registry editor.

Conclusion

Service Host Superfetch is a great feature offer by Windows to enhance the boot speed of your often used apps.

However, these features take high disk usage and cause high disk usage that slow down your system. One way to fix this issue is by using combination HDD and SSD to balance out the CPU usage.

Although if you do not want to use SSD with your system, you can follow the above-mentioned methods to disable Service Superfetch feature and boost your system performance again.

If you still have any query or finding difficulty to disable superfetch, feel free to post your question below.

Salman Ahmed's Biography

Salman Ahmed Siddiqui is a passionate writer who loves to write about online privacy, crypto economy and trending technological developments. He loves to provide effective tips and guideline related to rising cyber challenges. When he is not writing, Salman watches Manchester United play and demonstrates his love for football with his mad FIFA skills.

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