How To Fix High CPU Usage

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Service Host: Local System - How To Fix High CPU Usage
Service Host: Local System – How To Usage

Many of our readers have asked us about Service Host: Local System and what it does. The process was often found causing 99% to 100% of Disk and CPU resources. So, in this article, we are going to cover everything about Service Host: Local System.

Well, without any doubt, Microsoft’s Windows is one of the best-operating systems which is now used by millions of users. The reason behind such popularity is its features and customization options. Talking about features, Microsoft Windows 10 provides us with lots of maintenance tools to properly manage our computer.

However, there are lots of Windows users who have suffered from the problem where up to 95% of their CPU and Disk has been used by a process called Service Host: Local System and Service Host: Network Service. These two processes are often found causing 99% to 100% of Disk and CPU resources.


Many of our readers have asked us about Service Host: Local System and what it does. Well, its one of the vital system process that’s there for a reason. So, in this article, we are going to cover everything about Service Host: Local System.

What is Service Host: Local System?

Well, Service Host: Local system is one of the vital system processes that operate automatically. Service Host Local System’s process includes Windows Auto Updates, Background Task Management, IP Configuration, and lot more important things. During the Windows Auto Update, the Service Host: Local System can also consume your internet data.

What is Service Host: Local System?
What is Service Host: Local System?

However, the Service Host: Local System runs silently, and it doesn’t interrupt any of our ongoing work. Still, if your computer is running on less than 2GB of RAM or having a low-end processor, then it can interrupt your entire Windows experience. The process also causes overheating issues, and if you are using a laptop, then the overheating issue can harm your battery life.

But, still its an important process and it deals with lots of stuff. Usually, the Service Host: Local System troubles users after the startup when it tries to do different tasks at once. According to Windows Users, the Service Host: Local System high CPU and Disk is caused due to the Windows System Service is known as Superfetch.

Superfetch is a technology that allows the operating system to manage random memory. Due to the Superfetch, our apps open quickly. Superfetch analyzes the RAM usage patterns to learn what type of apps you run most often. So, over the time, Superfetch mark these apps, and it preloads them into the RAM which causes the app to start quickly.

But, we hardly need this feature, and the SuperFetch service itself causes high CPU and RAM usage. So, Superfetch service is the root cause of High CPU usage on Windows 10. So, in order to fix the Local Host: System Service high CPU usage, we need to disable Superfetch.

How To Fix Service Host: Local System High Disk, CPU and Memory Usage?

Well, we are going to list down some of the easy methods that you can implement to fix the Service Host: Local System High Disk Usage. Make sure to follow the steps carefully to avoid any errors.

Step 1. First of all, open Task Manager on your Windows 10 computer and then maximize the Service Host: Local System

Fix Service Host: Local System High Disk, CPU and Memory Usage
Fix Service Host: Local System High Disk, CPU and Memory Usage

Step 2. Next, find and Right click on the ‘Superfetch’ and then select ‘Open Services’

Step 3. Now, under the Services, find Superfetch. Right click on it and then select properties. Now under the ‘Startup type’ select ‘Disable’ and click on ‘Apply’

Fix Service Host: Local System High Disk, CPU and Memory Usage
Fix Service Host: Local System High Disk, CPU and Memory Usage

Step 4. Next, under the Services, find Windows Update. Right click on the Windows Update and then select properties. Now under the ‘Startup type’ select ‘Disable’ and click on ‘Apply’

Fix Service Host: Local System High Disk, CPU and Memory Usage
Fix Service Host: Local System High Disk, CPU and Memory Usage

Step 5. Next, find Background Intelligent Transfer Service under the Services. Right click on the Background Intelligent Transfer Service and then select Properties. Now under the ‘Startup type’ select ‘Disable’ and click on ‘Apply’

Fix Service Host: Local System High Disk, CPU and Memory Usage
Fix Service Host: Local System High Disk, CPU and Memory Usage

Step 6. In the next step, find ‘Update Orchestrator Service’ under the Services. Right click on it and then select Properties. Now, under the ‘Startup Type’ select ‘Disable’ and click on ‘Apply’

Fix Service Host: Local System High Disk, CPU and Memory Usage
Fix Service Host: Local System High Disk, CPU and Memory Usage

That’s it, you are done! You need to implement the steps carefully to avoid any error. Once done, the Service Host: Local System will not consume much of your CPU, RAM and Disk resources. However, the method which we have shared above will disable the automatic Windows updates. So, this is how you can fix Service Host: Local System High Disk Usage on Windows 10 computer. If you have any other doubts, then make sure to discuss with us in the comment box below.

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