Service Host Local System High Disk Usage Fix: If you recently realized that you are suddenly running low on your disk storage despite not storing much data on your system, you are perhaps not alone.

Service Host Local System high disk is a recent trend that has been observed in Windows operating systems, and unfortunately its increasing day-by-day.

Ideally, Microsoft should be the one to provide a patch to fix this. However, “Self-help is the best help“, as the saying goes. So, here is everything you need to know about the issue and how to solve it on your Windows 10 OS.

What is the Service Host process?

You might not be aware of this, but Microsoft made some vital changes to Windows some time back, it has switched from EXE files to DLL ones for executing internal services.

The only catch was that DLL files could not be launched directly, which is why an executable file was used for this. It was designated as svchost.exe, more commonly known as Service Host process.

Read: How to Fix High CPU Usage by WMI Provider Host (WmiPrvSE.exe) on Windows 10

What is Service Host Local System?

There are various sub-processes under Service Host, like Local Host, Network Service etc. Service Host: Local System is one of them.

Fix (svchost.exe) Service Host Local System High Disk Usage on Windows 10

Even though these processes are necessary for your OS to function smoothly, they happen to give some occasional glitches that lead to high consumption of resources. In many cases, up to 95% of CPU capacity could be occupied even though you don’t have any major user-initiated process running.


How To Solve Service Host Local System High Disk Issue

There is no single way that might work in all situations. However, there are several methods that you can implement on a hit-and-trial basis, and see if they work for you.

Below are a few of the tried and tested methods that will definitely help you in solving the Service Host: Local System High Disk issue:

  1. Disabling SuperFetch

SuperFetch might be causing your system to boot up faster than other systems having the same specifications. It makes programs necessary for boot up more readily available, but it might also sometimes lead to high consumption of resources.

Here is how you can solve it:

  • Press Windows+X key and open Command PromptCommand prompt
  • Press “Yes” on the prompt that appears
  • In the command prompt, enter the command “net.exe stop superfetch” and press enter.
  • Wait for a few seconds and then check to see if any changes are applied to your PC
  1. Troubleshoot Windows Update

Windows Updates are known to occupy a large portion of your CPU and Network occasionally. Though disabling them would be more effective, troubleshooting is a more efficient option to keep the Windows Update working.

  • On the Start menu, go to Control Panel
  • Click on System and SecuritySystem and security
  • Click on Security and Maintenance and then click on TroubleshootingTroubleshooting
  • Click on Fix Problems with Windows Update and click on Next
  • Click Try troubleshooting as an administratorTry troubleshooting as an administrator

This method should successfully help you in solving the Service Host Local System High Disk issue.

  1. Disabling services

Sometimes, there is a specific process that is causing high consumption of your system resources. You can manually identify these services and disable them quickly.

  • Right-click on the taskbar and click on Task Manager to open itTask manager
  • Locate “Service Host: Local System” and pull down the list of sub-processesSub processes
  • Click on any particular process that you would like to end and click on End ProcessEnd process
  • You will repeat this process until you notice a significant decrease in the CPU consumption. Better start from “Background Intelligent Transfer process” as this is the one responsible for High Disk Usage most of the times.
  • Once you have located the service that seems to be the culprit, right click on it and click on Open Services.Open services
  • Here, locate the process with the same name, right-click on it and then click on Stop.Stop the service

This is one of the best ways of solving the Service Host Local System High Disk issue, as all of the tasks that are consuming high disk usage, will be stopped in this process.

  1. Set Network as Metered connection

Service Host Local System not only consumes your disk space but also your network bandwidth. If this is what is happening with you, setting your internet connection as a metered connection would definitely help.

  • Go to Start menu and click on Settings
  • Click on Network and InternetNetwork and Internet
  • In the next window, look for WiFi on the left panel and click on Advanced OptionWifi
  • Here, turn on the option for “Set as Metered Connection”
  1. Run System File Checker

System File Checker is a great tool for fixing a variety of issues that occur in your system. Here is how you can do it:

  • Press Windows+X key and open Command Prompt
  • Click Yes to the next prompt
  • In the Command Prompt, enter the command “sfc /scannow” and press EnterSfc scan
  • Wait till the scan is completed
  • If the end result of the scan says that “no integrity violations were found”, it means that there are no problems with your system files
  • If the message says “problems were found but couldn’t be removed”, then restart your system in Safe Mode and run the SFC scan once again
  1. Disabling Service Host Local System

In case you need to free up your CPU consumption immediately and none of the above options have worked for you, then you can directly disable Service Host Local System.

It is not a permanent solution since the process would begin the next time you start your PC, but it works as a shortcut if you have urgent work on your PC and the Service Host: Local System is serving as a disturbance. Here is how you can do it:

  • Press Windows+R Key to open Run Command Box
  • Type “taskmgr.” and press Enter to open the Task Manager
  • In the Processes tab, a list of all processes currently running would be displayed. Locate Service Host Local System.
  • Right Click on the process and click on End Task.
  • A pop-up will appear, check on “Abandon unsaved data and shutdown” box and click on Shut down

This method will immediately solve your Service Host Local System High Disk issue until you reboot your system the next time.

  1. Disable Windows Update for permanent fix

If none of the above solutions work, then you can take the extreme measure and disable the Windows Updates. Disabling Windows updates would allow you to permanently stop Service Host: Local System Process from executing, thus fixing your computer for the long term.

This method is not preferred because Windows Updates are a great way to automatically install important patches and fixes on your operating system. Nevertheless, if you still want to go ahead and do it, here is how:

  • Press Windows+R Key to open the Run command box
  • Type “services.msc” and press Enter
    Fix (svchost.exe) Service Host Local System High Disk Usage on Windows 10 1
  • The new window will contain all the services that run on your system.
  • Locate the service named “Windows Update
  • Double-click on the service to open a pop-up screen titled “Windows Update Properties
  • Under the Start, type option set it to Disabled.
  • Click on Apply and then click OK.
  • You can now permanently disable the Service Host: Local System service by following the steps that are already mentioned above in method 3.
  1. Update Drivers

Obsolete or missing drivers often can also sometimes consume the system resources and lead to high consumption. So, try updating drivers on your PC frequently. You can do by either using 3rd party software or manually.

Conclusion: svchost.exe Service Host Local System High Disk Usage On Windows 10

Read: How to Password Protect A Folder in Windows 7/8/8.1/10

So, these are few of the tried, tested and working methods of solving the Service Host Local System High Disk issue recommended by us. Follow any of the above-mentioned methods to get the issue resolved within minutes and get your PC working faster and better than before instantly.


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