service host superfetch hight cpu usage

SuperFetch keeps track of which applications you use most and loads this information from the hard drive into RAM so that programs load faster than they would if the hard disk had to be accessed every time. Sometimes your Windows CPU uses too much of your system resources. It leads to a slow Windows performance along with high disk usage. There are chances that the Service Host Superfetch is causing the 100% CPU usage error.

100% CPU Usage Fixed: Service Host Superfetch

How Does Service Host Superfetch Work?

Superfetch comes in Windows Vista and later versions of Windows. The job of the Windows service host is managing random space for the applications on your system. The applications include third-party programs as well as important Windows components. While Superfetch is running properly on your computer, your applications will be able to execute and perform their tasks quickly.

The apps you use on a regular basis, Superfetch stores data of those applications in RAM. And when you launch those applications on your system, they read those data from the RAM instead of the hard drive. Hence, it takes relatively less time and the apps launch quicker. In simple words, Superfetch boots up your system speed in these three ways-

  1. It decreases booting time
  2. Loads the most used apps quickly
  3. And gets used to with your usage pattern

What Cause Superfetch High Disk Usage?

Superfetch makes using your mostly common apps easier by coping with the user files to your system’s RAM. Therefore, your applications take considerably less time to be launched on your system. However, if your PC does not have updated drivers or the latest hardware solutions, then Windows Superfetch can cause 100% CPU usage.

The problem with this error is that your CPU gets too hot, but otherwise, it is rarely harmful to your device. The Windows feature helps your system to respond to I/O requests and clears up RAM to upload new files from the applications you have been using. When the service is running on your computer, you will feel a high CPU usage. When the feature completes its work, the CPU usage will lower down.

How to Reduce 100% Disk Usage Caused by Host Superfetch?

If you are using your system and Superfetch is interrupting your RAM, it can be a problem. Due to this, the size of the files increases and it takes more system memory. However, there are some ways you can sort this problem out.

If the service is always taking up too much of your CPU memory, then disabling it is an option. Moreover, if you disable the service, it won’t misbehave on your system and you will be able to use it like before. But it may cause a side effect on some of your apps that they won’t load fast like before. Follow the methods given below to disable Superfetch service host
.

Method 1: How to Disable Superfetch from Services

To disable service host Superfetch, try out these steps-

  1. Open the Run box by pressing Windows key + R
  2. Or hit your Start button and type run in the search bar
  3. Type ‘services.msc’ in the Run box and hit Enter
  4. The services window will appear and from there, locate Superfetch
  5. Right-click on it and select Properties
  6. Click Stop on the Properties window
  7. A drop-down menu will appear, from the ‘startup type’ click on Disable
100% CPU Usage Fixed: Service Host Superfetch

Now go back to the task manager window and you will see that service host Superfetch is not causing any more high CPU usage.

Method 2: Fix it from Windows Registry

Use the Windows Registry to disable the service and reduce memory usage.

  1. Hit the Windows key + R key simultaneously and open the Run box
  2. Type “Regedit” in the run box (don’t include the quotes)
  3. Hit Enter
  4. Go to the HKEY_LOCAL_MACHINE folder from your Windows registry
  5. Navigate to SYSTEM > CurrentControlSet > Control > Session Manager > MemoryManagement > PrefetchParameters
  6. From the right-side, double-click on ‘Enable Superfetch

Possibly, the value will me mentioned there. If not, the below steps will help you out-

  1. Right-click on the PrefetchParameters folder
  2. Go to the options and open New > DWORD Value
  3. Enter 0 and disable the service
  4. Click OK
  5. Finally, close the registry editor
Service Host Superfetch

FAQs

Can I disable the service host?

Yes, you can disable the service host using the following steps- 

  1. Open the Run box by pressing Windows key + R
  2. Or hit your Start button and type run in the search bar
  3. Type ‘services.msc’ in the Run box and hit Enter
  4. The services window will appear and from there, locate Superfetch
  5. Right-click on it and select Properties
  6. Click Stop on the Properties window
  7. A drop-down menu will appear, from the ‘startup type’ click on Disable

Does disabling Superfetch increase FPS?

Yes, it does increase FPS as Superfetch uses too much CPU memory but be advised it’s always best to leave Windows processes untouched.

Does Service host a virus?

No, it does not host a virus.

What happens if I end the process Svchost Exe?

Ending the process svchost.exe will create performance issues in your system. It’s best to leave it alone because it’s a required system service. 

Why is the service host local system using so much?

Service Host: Local System is a bundle of system processes, or call it a generic service hosting container. It includes processes including Windows Auto Update and many required system services would be running in it. That’s why it’s very likely to take up huge disk, memory, RAM, and even network bandwidth, draining computer resources, especially after getting a Windows 10 update.

How do I stop 100 disk usage?

Different ways to stop 100 disc usage are:- 

  • Restart your system
  • Update Windows
  • Check for Malware/Virus
  • Disable Windows search 
  • Stop the Superfetch Service

How do I know if Superfetch is enabled?

Select the Start menu, type services, and select the Services app. You could also press Windows + R, type services.msc and press Enter. In the Services app, scroll down and if you can see a service named SysMain there, that means Superfetch is enabled. 

Is Superfetch needed?

Yes, Superfetch is required for the smooth functioning of your system. 

When you open Task Manager again, you won’t find the service host Superfetch messing with your CPU. You can easily perform any of these two methods to bring back your system to life. Both of these methods work like charm so you won’t face trouble again. Still, make sure to comment below in case you have any queries. Stay connected for more tech guides.

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