Why Service Host Superfetch Consuming High CPU Usage? | Quick Fix

Windows 10 has been the revolution for Operating systems, smart devices, and its peripherals. For making Windows fast and better, Microsoft embedded many different tools in Windows to support its UI. Service Host Superfetch is one of the concerned tools that is responsible for the quick loading of programs and software on PC. Sometimes It starts consuming high disk usage and appears in the taskbar. It also can slow down or freeze your PC in many moments.

Service Host Superfetch

Microsoft is using many modified versions of tools that were available from Windows XP. Superfetch is one of the traditional tools which was earlier named as Prefetch in Windows XP. Being old in its coding root, Service Host Superfetch can cause high CPU usage. Below is the complete guide to eliminating the high CPU problem in your Windows permanently for Superfetch.

Service Host Superfetch

Service Host Superfetch was developed by Microsoft with the release of Windows XP. Earlier Superfetch was referred to as Prefetch in Windows XP. Microsoft changed the name of Prefetch to Superfetch with the launch of Windows Vista. It is referred with this name in all later versions of Windows OS from Microsoft.

Service Host: Superfetch basically is a process which is used for analyzing the data for the programs that are often executed on your computer. It prepares the list of programs along with a number of times they were executed. According to Priority, Superfetch keeps the programs preloaded on RAM of PC. This help in executing frequently used programs to load more quickly.

Superfetch monitors the list of programs that run more often on Windows OS. According to the priority of running, it keeps the most used programs preloaded or prefetched on the RAM of the CPU. This helps in executing the programs as soon as they are clicked. It speeds up the application loading time. This process can also sometimes consume High CPU usage when a computer is mostly used for entertainment purposes. Some of the games or heavy editing software may get prefetched on Windows that can cause service host superfetch high disk.

Cause For High Disk Usage

Among many different tools, Superfetch can also go wrong or encounter problems. Superfetch keeps running in the background while PC is turned on. It keeps consuming CPU resources like RAM and Memory over the hard disk. Usually, systems with small hardware configuration and heavy graphical applications can cause high disk usage. Even running Xpadder for a long time can cause trouble for CPU.

Usually while rebooting the system, Service host Superfetch is can cause issues with preloading, It slows down the booting time and time to load any software that has not been used recently. It can slow down the process of loading any program while windows are too busy loading the list of Superfetch Programs. Sometimes Windows Modules Installer Worker also causes High Disk Usage.

Users have reported that Superfetch causes a hike in CPU usage when gaming for a long time. In systems that are running of RAM less then 2gb can face serious issues for Service Host Superfetch. It also slows down the PC that has been used for gameplay in recent login. Another reason for High disk can also be Akamai Netsession Interface.

Service Host Superfetch In Task Manager

This service is can be located in task manager easily. It is not named as Service Host Superfetch or Prefetch. Rather it is generically named as “Service Host” or “Svchost.exe”. Superfetch runs its own process separate from Windows tools and processes. To find that process you’ll need to scroll through the exhaustive list of Service Host processes to find the one called “Service Host: Superfetch.”

Seric=vice Host Superfetch High Disk USage

Disable Service Host Superfetch

If there are no slowdown in your system and no issues related to High Disk Usage, then you shall not opt to disable superfetch. But if the system configuration is low, then superfetch can cause the problems in running memory of your PC. We have listed the five basic methods that can disable superfetch in Windows.

Using Windows Services

Follow the steps below to disable Service Host Superfetch by accessing Windows Services:

  1. Press Windows Key + R, to open run function,
  2. type ‘services.msc’ and hit enter to open the Windows Services List,
  3. Scroll to find ‘Service Host Superfetch’
  4. right click on it and click ‘Stop Services’.
  5. Now select Properties and choose ‘disable’ in ‘Startup Type’.

Using Windows Registry

If you are not afraid of black coding screen, Service Host Superfetch can be disabled by editing Windows Registry files. Follow the steps below to modify Windows registry to disable Superfetch Services:

  1. Open ‘Run’ tool from the Windows Start Menu.
  2. Type ‘regedit’ in the search box and hit enter.
  3. Navigate to HKEY_LOCAL_MACHINE > System > CurrentControlSet > Control > Session Manager > MemoryManagemen
  4. Now select ‘PrefetchParameters’
  5. Open ‘Enabled Superfetch’ value by double-clicking on it.
  6. Now change the numeric value to Zero (0), and press OK.

This will easly disable Service Host Superfetch Windows 10 and other Windows versions.

Running SFC / DISM Scan

Another method to refresh the Superfetch services that can help to get rid of Service Host Superfetch Problems easily. This method is useful in cases where Service Host Superfetch is consuming high CPU usage and any important system file is corrupt. Running the SFC / DISM scan can point the corrupted files that need to be repaired. Follow the steps below:Command Prompt as Admin

Running SFC Scan

  1. Press Windows Key + X to open Windows command menu
  2. Select Command Prompt / PowerShell (as Admin) from the list.
  3. Now type ‘SFC / ScanNow’ and hit enter.
  4. SFC will now scan the complete command on your PC,Superfetch Disable using SFC scan

Running DISM Scan

  1. Open Command Prompt as administrator.
  2. enter DISM /Online /Cleanup-Image /RestoreHealth
  3. DISM scan will now start. This process can take about 10 minutes so be sure not to interrupt it.

After the DISM scan is finished, check if the problem still persists. By now Superfetch has been repaired for any corrupt or missing file. If the problem still persists the move on to the further steps.

Using Windows Update Troubleshooter

Many users and forums state that running the Windows troubleshooter can eliminate the problem of temporary service host superfetch high disk usage. Follow the steps below:Service Host Superfetch Windows 10 Update

  1. Press Windows Key + I to open the Settings app.
  2. When Settings app opens, navigate to Update & security.
  3. In the left pane, navigate to Troubleshoot section.
  4. Select Windows Update and click Run the troubleshooter.
  5. Wait while the troubleshooter scans your system and checks for problems.

You can also run the troubleshooter by following these steps:

  1. Press Windows Key + S and enter the control panel.
  2. Select Control Panel from the list.
  3. When the Control Panel opens, go to Troubleshooting.
  4. Click on View all in the menu on the left.
  5. Click on Windows Update.
  6. When Windows Update window opens, click on Advanced and click on Run as administrator.
  7. Now click on Next and follow the instructions on the screen to complete the troubleshooter.

Perform Clean PC Reboot

Performing a clean reboot to PC can be the best way to get rid of all the temporary problems. Problems like high Disk Usage, Service Host: Superfetch, Windows Modules Installer, etc can be eliminated simply performing a clean reboot to your PC. Follow the steps below to clean reboot your PC now:

  1. Press Windows Key + R and type ‘msconfig’ followed by ‘Enter’ or click OK
  2. Go to the Services tab and check Hide all Microsoft services option.Service Host Superfetch Run AApplication
  3. Now click on Disable all button.
  4. Navigate to Startup section and click on Open Task Manager.
  5. List of all startup applications will now appear. Right-click the first entry on the list and choose Disable.Superfetch disable
  6. Now repeat this step for all entries on the list. After disabling all startup items, close Task Manager.
  7. In System Configuration window click Apply and OK to save changes.
  8. Restart your PC to apply the changes.


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