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Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage

Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage: If you are facing this issue where a process called Service Host: Local System (svchost.exe) is using all of your system resources causing high CPU and Disk usage in Task Manager then don’t worry as today we are going to see How to Fix this issue with the help of this article. This post will help if you’re facing High CPU usage, Memory usage, or Disk usage because of Service Host: Local System process.

What is Service Host: Local System (svchost.exe)?

Service Host: Local System is itself a bundle of other system processes which run under it, in other words, it’s basically a generic service hosting container. So troubleshooting this problem becomes difficult as any process which runs under Service Host: Local System can cause the high CPU or disk usage problem. Service Host: Local System includes processes such as a User Manager, Group Policy Client, Windows Auto Update, Background Intelligent Transfer Service (BITS), Task Scheduler etc.

You can quickly see various processes under Service Host: Local System by pressing Ctrl + Alt + Del keys together to open Task Manager, then switch to Processes tab and find the Service Host related processes such as Service Host: Local Service, Service Host: Network Service, etc. When you will expand these service you will find various processes running under it.

Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage

As you see there are a number of process running under Service Host: Local System (svchost.exe) such as Windows Update which might take a lot of system resources but if a particular process is causing high CPU & Disk usage constantly then it can be a problem which needs to be taken care of. So without wasting any time let’s see How to Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage with the help of the below-listed tutorial.

Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage

Note: Make sure to create a restore point just in case something goes wrong.

Before continuing with the troubleshooting steps, you should first identify the root cause of the problem i.e which service or process under Service Host: Local System is causing the high CPU or Disk usage problem. To do this you will need a free tool by Microsoft called Process Explorer.

1.Download this program from the above link, right-click on the procexp64.exe file and select run as administrator.

Right-click on the procexp64.exe file and select run as administrator

2.Now click on the CPU column to sort the processes by CPU or memory consumption.

3.Next, find the svchost.exe process in the list and right-click on it & select Properties.

Find svchost.exe process in the list and right-click on it & select Properties.

4.In the svchost.exe properties window, switch to Services tab where you will find a list of services running under this process.

In the svchost.exe properties window, switch to Services tab

5.Next, switch to the Thread tab where you will find all the threads that are executed within svchost.exe service.

Switch to the Thread tab where you will find all the threads that are executed within svchost.exe service

6.Click on the CPU column & Cycles Delta column to sort the threads, and find the service or dll library causing high cpu usage.

7.Click on the particular service causing the issue and click on the Kill or suspend button.

Find the service or dll library causing high cpu usage then click on the Kill or suspend button

8.Next, wait for few minutes and see if high CPU or Disk usage by Service Host: Local System (svchost.exe) is fixed.

9.If you are still facing the issue, follow the above steps for all the threads taking a large chunk of system resources.

10.Once you have zero-in on the particular culprit which was causing the issue, you need to disable the particular service from the services.msc window.

11.To do this you will need to map DLL names to service names, using step 4.

You will need to map DLL names to service names

12.Press Windows Key + R then type services.msc and hit Enter.

services.msc windows

13.Find the particular services causing the issue in the service.msc window, then right-click on it and select Properties.

Right-click on the particular services causing the issue and select Properties

14.If the service is already running, click on Stop then from the Startup type drop-down select Disabled.

Click on Stop then from the Startup type drop-down select Disabled

15.Click Apply followed by OK to save changes and this would Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage issue.

Method 1: Run SFC and DISM Command

1.Press Windows Key + X then click on Command Prompt(Admin).

command prompt with admin rights

2.Now type the following in the cmd and hit enter:

Sfc /scannow
sfc /scannow /offbootdir=c:\ /offwindir=c:\windows (If above fails then try this one)

SFC scan now command prompt

3.Wait for the above process to finish and once done restart your PC.

4.Again open cmd and type the following command and hit enter after each one:

Dism /Online /Cleanup-Image /CheckHealth
Dism /Online /Cleanup-Image /ScanHealth
Dism /Online /Cleanup-Image /RestoreHealth

DISM restore health system

5.Let the DISM command run and wait for it to finish.

6. If the above command doesn’t work then try on the below:

Dism /Image:C:\offline /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows
Dism /Online /Cleanup-Image /RestoreHealth /Source:c:\test\mount\windows /LimitAccess

Note: Replace the C:\RepairSource\Windows with the location of your repair source (Windows Installation or Recovery Disc).

7.Reboot your PC to save changes and see if you’re able to Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage.

Method 2: Delete SoftwareDistribution Folder

1.Press Windows Key + R then type services.msc and hit Enter.

services.msc windows

2.Right-click on Windows Update service and select Stop.

Right-click on Windows Update service and select Stop

3.Open File Explorer then navigate to the following location:

C:\Windows\SoftwareDistribution

4.Delete all the files and folders under SoftwareDistribution.

Delete all the files and folders under SoftwareDistribution

5.Again right-click on Windows Update service then select Start.

Right-click on Windows Update service then select Start

6.Now to try to download the updates and see if you’re able to Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage.

Method 3: Disable Superfetch

1.Press Windows Key + R then type services.msc and hit Enter.

services windows

2.Find Superfetch service from the list then right-click on it and select Properties.

Right-click on Superfetch and select Properties

3.Under Service status, if the service is running click on Stop.

4.Now from the Startup type drop-down select Disabled.

click stop then set startup type to disabled in superfetch properties

5.Click Apply followed by OK.

6.Reboot your PC to save changes.

If the above method doesn’t disable Superfetch services then you can follow disable Superfetch using Registry:

1.Press Windows Key + R then type regedit and hit Enter to open Registry Editor.

Run command regedit

2.Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Memory Management\PrefetchParameters

3.Make sure you have selected PrefetchParameters then in the right window double click on EnableSuperfetch key and change it’s value to 0 in the value data field.

Double click on EnablePrefetcher key to set its value to 0 in order to disable Superfetch

4.Click OK and close the Registry Editor.

5.Restart your PC to save changes and see if you’re able to Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage.

Method 4: Registry Fix

1.Press Windows Key + R then type regedit and hit Enter to open Registry Editor.

Run command regedit

2.Navigate to the following registry key:

HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\Ndu

3.Make sure to select Ndu then in the right window pane double-click on Start.

Double-click on Start in Ndu registry editor

4.Change the value of Start to 4 and click OK.

Type 4 in value data field of Start

5.Close everything and reboot your PC to save changes.

Method 5: Run Windows Update troubleshooter

1.Press Windows Key + I to open Settings then click on Update & Security.

Press Windows Key + I to open Settings then click on Update & security icon

2.From the left-hand menu make sure to select Troubleshoot.

3.Now under Get up and running section, click on Windows Update.

4.Once you click on it, click on “Run the troubleshooter” under Windows Update.

Select Troubleshoot then under Get up and running click on Windows Update

5.Follow on-screen instructions to run the troubleshooter and see if you’re able to Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage.

Run Windows Update Troubleshooter to fix Windows Modules Installer Worker High CPU Usage

Method 6: Perform a Clean boot

Sometimes 3rd party software can conflict with System and therefore can cause high CPU usage on your PC. In order to Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage, you need to perform a clean boot on your PC and diagnose the issue step by step.

Perform Clean boot in Windows. Selective startup in system configuration

Method 7: Restart Windows Update service

1.Press Windows Key + R then type “services.msc” (without quotes) and hit Enter.

services windows

2.Locate the following services:

Background Intelligent Transfer Service (BITS)
Cryptographic Service
Windows Update
MSI Installer

3.Right-click on each of them and then select Properties. Make sure their Startup type is set to Automatic.

make sure their Startup type is set to Automatic.

4.Now if any of the above services are stopped, make sure to click on Start under Service Status.

5.Next, right-click on Windows Update service and select Restart.

Right-click on Windows Update Service and select Restart

6.Click Apply followed by OK and then reboot your PC to save changes.

Method 8: Change Processor Scheduling

1.Press Windows Key + R then type sysdm.cpl and hit Enter to open System Properties.

system properties sysdm

2.Switch to the Advanced tab and click on Settings under Performance.

advanced system settings

3.Again switch to Advanced tab under Performance Options.

4.Under Processor scheduling select Program and click Apply followed by OK.

Under Processor scheduling select Program

5.Reboot your PC to save changes and check if you’re able to resolve Service Host: Local System (svchost.exe) High CPU and Disk Usage issue.

Method 9: Disable Background Intelligent Transfer Service

1.Press Windows Key + R then type msconfig and hit Enter.

msconfig

2.Switch to services tab then uncheck “Background Intelligent Transfer Service”.

Uncheck Background Intelligent Transfer Service

3.Click Apply followed by OK.

Method 10: Perform System Restore

1.Press Windows Key + R and type”sysdm.cpl” then hit enter.

system properties sysdm

2.Switch to System Protection tab and click on System Restore button.

system restore in system properties

3.Click Next and choose the desired System Restore point.

Click Next and choose the desired System Restore point

4.Follow the on-screen instruction to complete system restore.

5.Reboot your PC to save changes.

Recommended:

That’s it you have successfully Fix Service Host: Local System (svchost.exe) High CPU and Disk Usage but if you still have any questions regarding this tutorial then feel free to ask them in the comment’s section.

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Aditya Farrad

Aditya is a self-motivated information technology professional and has been a technology writer for the last 7 years. He covers Internet services, mobile, Windows, software, and How-to guides.

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