What is Superfetch? Can I disable the Superfetch service host? And how khổng lồ disable it? Check the overview first and then see the details.

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Workable SolutionsStep-by-step Troubleshooting
What is Superfetch?Superfetch is part of Windows Vista and onwards. This giải pháp công nghệ allows Windows OS khổng lồ manage...Full steps
Fix 1. Disable SuperfetchUse three ways to disable Superfetch: Comm& Prompt, Registry Editor, and Services...Full steps
Fix 2. Fix with TroubleshootingGo lớn Control Panel, choose View by Category, cliông xã System và Security. Click Security and...Full steps
Use a không tính tiền partition managerYou can enhance your PC and system performance và using a không tính phí partition manager...Full steps

Have sầu you ever meet this situation: "Your PC runs inkhổng lồ a problem that it couldn"t handle, and the disk usage is nearly 100 percent, which is caused by Service Host: Local System."


This article tells you how to lớn giảm giá with this bad situation. Before we start to lớn fix the high disk usage problem, we must know what the Service Host is và Service Host Superfetch to lớn get a better understanding of your problem.

What Is the Service Host and Service Host Superfetch

Service Host

Svchost.exe is a generic host process name for services that run from dynamic-links libraries. Microsoft started changing much of the Windows functionality from relying on internal Windows services (which ran from EXE files) khổng lồ using DLL files instead. From a programming perspective sầu, this makes the code more reusable & arguably easier to lớn keep up to lớn date. The problem is that you can"t launch a DLL tệp tin directly from Windows the same way you can an executable file. Instead, a shell that is loaded from an executable file is used khổng lồ host these DLL services. And so the Service Host process (svchost.exe) was born.

Windows requires a lot of services. If every single service ran under one Service Host process, a failure in one service could potentially bring down all of Windows. Instead, they are separated out. Services are organized inlớn logical groups that are all somewhat related, và then a single Service Host instance is created to host each group. 

Service Host Superfetch

Superfetch is part of Windows Vista & onwards. This giải pháp công nghệ allows Windows OS lớn manage random memory so that your apps can perform efficiently.

It helps third-các buổi party apps & critical Windows components to lớn exedễ thương common tasks quickly. To achieve sầu this, Superfetch stores & reads data for regularly used apps directly from RAM instead of resorting khổng lồ the hard drive sầu.

Superfetch is lượt thích drive caching. It copies all your commonly used files khổng lồ RAM. This allows programs to lớn boot faster. However, if your system doesn"t have sầu the lademo hardware, Service Host Superfetch can easily cause high disk usage. High disk usage due lớn this service isn"t always a problem. It"s how this service works lớn optimize your system performance.

If you"re using Windows 10 and you find that Service Host: Local System is taking much of your CPU, Disk or Memory usage, you"re not alone. Many Windows users are reporting this problem as well. But no worries, it"s possible lớn fix it. Read the tried & true solutions below to lớn fix your high disk usage right now.

1. Fix Service Hosts Superfetch High Disk Usage via Disabling

SuperFetch decreases the boot time và make must-load programs more efficiently. However, it has been identified as a potential cause of disk performance issues in Windows 8 và later versions of Windows, including Windows 10. Here"s how khổng lồ stop this service. 

Method 1. Disable Superfetch in Windows Services 

Step 1. Press Windows + R or alternatively, type Run in the Windows 10 search box. Type services.msc inlớn the "Open" box và click the "OK" button.

Step 2. Now find "Superfetch". Right-cliông chồng it > select "Properties" > click "Stop" on the pop-up windows > click "Disabled" from the "startup type" drop-down thực đơn. 


Method 2. Disable Superfetch with Comm& Prompt

Step 1. Cliông xã on Start & tìm kiếm for Commvà Prompt, right-cliông xã on it & cliông chồng "Run as administrator" then clichồng "Yes" to continue.

Step 2.

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Type net.exe cộ stop Superfetch and press Enter. 


Step 3. If the commvà above isn"t valid, try net.exe pháo stop sysmain instead.

Wait for a few minutes and see if your computer starts performing better. Or check your computer"s disk usage in Task Manager. In the Processes tab, look at the % at the top of the Disk column. If it"s no longer 100%, you"ve fixed the problem!

Method 3. Disable Superfetch Using Windows Registry

You can also disable the service host from Windows Registry. Follow the steps below to lớn disable service host Superfetch.

Step 1. Press the Windows + R or alternatively, type "Run" in the search box. Type Regedit into lớn the Open box và hit enter.

Step 2. On the Registry Editor window, navigate lớn HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/Session Manager/MemoryManagement/PrefetchParameters.

Step 3. Click the "Enabled Superfetch" and change its value lớn 0 lớn disable SuperFetch. Then clichồng the "OK" button. 


Cthất bại the Registry Editor & restart the system lớn see if the service host Superfetch 100% disk usage in Windows 10 is fixed. 

2. Fix Service Host Superfetch High Disk Usage With Troubleshooting

Windows Update is said lớn be one of the causes of abnormally high CPU or Disk usage. You can run the troubleshooter khổng lồ see if it"s the culprit: 

Step 1. On your keyboard, press the Windows logo sản phẩm key and cliông chồng "Control Panel".

Step 2. View by "Category", cliông xã "System và Security".


Step 3. Clichồng "Security and Maintenance" > "Troubleshooting".


Step 4. Clichồng "Fix problems with Windows Update". Click Next.


Step 5. Cliông chồng "Try troubleshooting as an administrator". 


Wrap Up

We hope this tutorial has provided you with enough information about service host Superfetch high disk usage và how to lớn disable it. You can now optimize your computer"s performance & bring your disk usage bachồng khổng lồ normal by using either the Services, Commvà Prompt, Registry Editor, or Windows Troubleshooting method. You can try any or all of them lớn solve the problem.

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