Service Host Local System High Disk, CPU and Memory Usage

There is a saying that ‘for every problem, there is a solution’ as nowadays a lot of windows users are facing the problem of Service Host Local System High Disk which is taking much of your memory usage, CPU or Disk.

What is a Service Host?

Service Host: Local System is a process which is using up all of your computer system resources in Task Manager especially, in windows 10, 8 or 7 therefore, there is a solution to stop Service Host: Local System from taking high disk usage, CPU usage, and memory usage.

How Can You See Service Host: Local System Running on Computer?

So, to see Service Host: Local System running in your computer you are required to press CTRL+ALT+DEL then you will get the quick access to Task Manager and then stay on the first process Tab, by scrolling down you will find many Service Host related processes for example Service Host: Local System (Network Restricted), Service Host: Local Service, Service Host: Network service and many more. Henceforth, Service Host: Local System is a significant cause of windows 10 hundred (100) % disk usage in Task manager.

Why Service Host: Local System is Consuming Resources Out of Control?

Service Host: Local System is a generic service hosting container. It is a bundle of system processes including windows Auto Update and also many required system services would be running in it, that is the reason why it takes up colossal disk, memory, RAM and network bandwidth, draining computer resources mostly happened after having windows 10 updates.

Service Host: Local System consumes High CPU because of that battery drains out very fast; therefore, it’s better to disable the following services which are continuously running simultaneously to check updates for your computer, the two services are; Windows update and Background Intelligent Transfer Service. The following steps are:

Firstly, go to the task manager then open the services tab and then go to open services which is visible at the bottom.

Secondly, Stop the above mentioned two services and then disable them from their properties.

How to Resolve the Service Host: Local System Related Error?

Following are the methods by which you can resolve this particular issue-

Method1 – Disable the Superfetch Service

Step 1 – By pressing Windows Logo key + R to open a Run then type service.msc into the Run dialog and after that press Enter.

Step 2 – Then, you need to scroll down the list of services on your computer, locate the service which is Superfetch then, double click on Superfetch to edit the particular settings on it.

Step 3 – Click on stop ( to stop the service) and set the startup type for Superfetch to disable it.

Step 4 – Click on apply after that on ok.

Step 5 – Now, restart your computer.

Method 2 – Fix the Memory Leak Error in the Non-Paged Pool of Memory

This method can also be used to resolve the issue if Method 1 doesn’t work.

Step 1 – Start by pressing Windows Logo Key + R to open a Run then type regedit into the Run dialog and press Enter.

Step 2 – On your left pane of the Registry Editor navigate to the following; Click on services and then scroll down under services and select Ndu.

Step 3 – On your right pane locate and double-click on the registry value named Start to modify it and change its value data to 4 this will disable it and plug the memory leak in the non- paged pool then click ok and close the Registry Editor.

Step 4 – Finally, restart your computer. Once the entire procedure is completed successfully, you will observe that System Host: Local System is no longer using the huge amount of your CPU or Disk.

Method 3- Running the System File Checker

To start the process,

Step 1 – Open the start menu and type cmd and right click on ‘Run as Administrator’.

Step 2 – Now, accept the UAC prompt when it comes up.

Step 3 – In the command prompt, type the sfc/scannow after that press enter.

Step 4 – You need to wait for the scan to successfully complete.

Step 5 – Once the scanning is complete then enter the command dism/Cleanup-Image/ RestoreHealth after this command finishes running then observe your CPU and Memory load and check if the issue still there.

Method 4 – By killing SVChost

Killing the Service Host process in the Task Manager can solve the issue

Step 1 – Press Ctrl + Shift + Del to start Windows Task Manager or click on the taskbar and select Task Manager.

Step 2 – Click on more details to expand the manager; this will reveal all the running process.

Step 3 – Now, search through the process for Service Host: Local System , this process hosts Windows Update as well as the update Orchestrator Service, select the task and click End task.

Step 4 – when the confirmation dialog shows up, you need to check to Abandon unsaved data and shut down then click the Shutdown.

Step 5 – Finally, check if the issue has been solved.


Therefore, System Host: Local System is ambivalent as it is not anyone service but a form under which a number of different Windows System services run and either of them could be causing unusually high CPU or Disk usage or to make things even worse it can also cause by memory leak in the non-paged pool of memory.