Service Host Superfetch

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The Windows 10 was a complete revamp over the previous versions Microsoft had ever released. It changed the way the operating system treats hardware. Moreover, many new system processes also came into force to monitor and smoothen the functioning.

Little did the developers think the extra processes would become a menace. Service Host SuperFetch is one of them, which clogs the performance due to high disk usage. If you had a look at the Task Manager and you are still trying to recognise the process, just don’t rack your brain anymore! We have got you covered.

What Exactly is Service Host SuperFetch on Windows 10?

Service Host Superfetch

Did you ever get a chance to use a Windows XP machine? If you did, you might have known about Prefetch. Microsoft introduced it as a preloading memory manager to fasten the process of loading applications. So, is SuperFetch the same as Prefetch? Not really! It’s the successor instead.

The company broke up with Prefetch by the time they released Windows Vista. SuperFetch took over the place. What does it do? Instead of randomly preloading applications, it analyses the memory usage patterns of your computer. Analysing the patterns helps it recognising the most used apps. And, it preloads only those programs you frequently use.

The rest is obvious! Once a program is preloaded into the memory, it will launch faster. Microsoft has designed SuperFetch to take up all the available but unused memory. When your computer needs more RAM, it releases the preoccupied space to make room for the newcomer. You need to know that the process always runs in the background for the continous memory analysis.

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Problems Arises due to Service Host SuperFetch

There’s no denying that SuperFetch is useful. In most of the computers, it runs without you knowing. Yet, at some rare instances, the same process makes your life a misery by depicting high disk usage issues.

The following are a few issues known to have caused by SuperFetch.

  • System startup can go sluggish as SuperFetch have to preload apps from your hard disk to the RAM. Chances are you may see 100% disk space during the start.
  • If you keep the OS on an SSD, you can’t even notice the effect of SuperFetch. For Solid State Drives, preloading is unnecessary.
  • You know the process runs in the background. So, it exhausts CPU and RAM.
  • On some systems with 4 GB RAM or less, SuperFetch causes performance issues during game play sessions. It’s unclear why.

Is Disabling SuperFetch Dangerous?

System processes are so critical that if disabled, it shows up errors. What about SuperFetch? You may be already causing problems with it. Is it dangerous for the computer to disable the process? No, it isn’t. You won’t encounter any severe errors by doing so.

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How to Disable SuperFetch?

Here, you are going to see the methods to disable Service Host SuperFetch.

Method 1: Through Registry Editor

  • You need to backup the registry first. Hit Win key+ R simultaneously and enter regedit.msc. Accept the admin prompt.
  • Now, right click on HKEY_CURRENT_USER key. Choose Export.
Registry Editor
  • Select the location you want to save the backup file into. Hit Save.Don’t skip these three. It will help you reinstate the registry to the previous condition in case you screw up anything.
  • In the registry editor itself, follow HKEY_LOCAL_MACHINE>> SYSTEM>> CurrentControlSet>> Control>> Session Manager>> MemoryManagement>> PrefetchParameters.
Enable Superfetch
  • You can see a key named Enable SuperFetch on the right panel. Right-click on it and select Modify. Replace the Value Data with 0 (zero). Hit OK.
Superfetch Value

Do you not want to get your hands dirty with the registry editor? You can follow the next method then.

Method 2: Using Services App

  • Hit the Start button and search for Services in the menu. Launch the app. (You can also do it by entering services.msc into the Run dialogue box).
  • You have to scroll down a bit to see a listing labelled as SuperFetch. Right click on it and select Stop.
Services Superfetch
  • Chances are high for the service to run automatically. In order to hinder this, you have to right-click the same listing to choose Properties.
  • You can see four tabs in the upcoming dialogue box. Under General, look for Starup type.
Superfetch Properties
  • Expand the dropdown menu and change it to Disabled. Finally, hit OK.

There you go! The Service Host SuperFetch is now disabled to stop the tantrum. Hope this article helps you resolve the issue. If you have more questions that you want us to address through an article, let us know in the comments down below!

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