Fix: High CPU Usage by Service Host: Local System (Network Restricted)

A serious range of Windows users have endured a challenge in place of 95 percent of these CPU and/or Disk are used by an activity called System Host: Local System (Network Restricted). This issue first surfaced into the times of windows-8 and contains stuck around to infect the courageous users of Windows-10. Users affected by this dilemma have reported that the System Host: Local System (Network Restricted) procedure frees around 95 percent of these CPU as well as 72 MB/s in these computer’s full capacity to see data from and write data into its hard disk drive Drive. Those numbers are very important to say the very least.


But System Host: Local System (Network Restricted), in and of itself, is still pretty ambiguous since it’s no 1 service but also a guise where lots of different Windows system companies run, some that might be causing remarkably high CPU or Disk usage. Additionally, to make matters worse, this dilemma may be triggered by memory leak while in the non-paged pool of memory foam. Happily, because of good deal of smart residence on the topic, it’s been found that the most typical offender which brings birth for the matter is just a Windows system service called Superfetch — an agency which Microsoft asserts aims to keep up and enhance the operation of computers as time goes on however, in reality, is only an issue waiting to occur. In any case regardless, Superfetch isn’t the origin of the matter, it’s unquestionably being brought on by a memory leak inside the non-paged pool.

The following are the two most effective solutions that you can use to try and fix this problem.


Repair Corrupt System Files

Download and run Reimage Plus to scan and restore corrupt and missing files from here, once done proceed with the solutions below. It is important to ensure that all system files are intact and not corrupt before proceeding with the solutions below.


Solution 1: Disable the Superfetch service

Press Windows Logo key + R to open a Run

Type services.msc into the Run dialog and press Enter.

Scroll down the list of services on your computer and locate the service named Superfetch.

Double-click on Superfetch to edit its settings.

Click on Stop to stop the service.

Set the Startup type for Superfetch to Disabled.

Click on Apply and then on OK.service host local system

Restart your computer and check to see whether or not the problem has been fixed once it boots up.

Solution 2: Fix the memory leak in the non-paged pool of memory

If Solution 1 doesn’t work, don’t fret as you can still move onto this solution. To try and resolve this issue using this solution, you need to:


Press Windows Logo key + R to open a Run


PRO TIP: If the issue is with your computer or a laptop/notebook you should try using the Reimage Plus Software which can scan the repositories and replace corrupt and missing files. This works in most cases, where the issue is originated due to a system corruption. You can download Reimage Plus by Clicking Here

Type regedit into the Run dialog and press Enter.


In the left pane of the Registry Editor, navigate to the following directory:




Click on Services in the left pane and then scroll down under services and chose Ndu.


In the right pane, locate and double-click on the registry value titled Start to modify it.


Change its Value data to 4. Doing so will disable it and plug the memory leak in the non-paged pool.


Click on OK.


Close the Registry Editor.


Network Restricted


Restart your computer. When your computer boots up, you should see that System Host: Local System (Network Restricted) is no longer using a massive amount of your CPU and/or Disk.


Solution 3: Running the System File Checker

Open the Start menu and type ‘cmd’. Right click on the Command Prompt icon and click on ‘Run as Administrator’. Accept the UAC prompt when it comes up.

In the command prompt, type the “sfc /scannow” and press enter.

Wait for the scan to successfully complete and perform a fix as well. If it’s successful, you’ll see the response ‘Windows Resource Protection found corrupt files and successfully repaired them. Details are included in the CBS.Log %WinDir%\Logs\CBS\CBS.log.’


Enter the command dism /Online /Cleanup-Image /RestoreHealth. After this command finishes running, monitor your CPU and Memory load and then check if the issue still exists.

Method 4: Killing SVChost

Killing the Service Host process in the Task Manager solves this issue. After this, try download your pending updates with an unmetered Wi-Fi connection.


Press Ctrl + Shift + Del to launch the Windows Task Manager. You can also right-click on the taskbar and select Task Manager.

Click on More details to expand the manager. This reveals all the running process.

Search through the process for “Service Host: Local System”. This process hosts Windows Update and the Update Orchestrator Service. Select on this task and click End task.


When the confirmation dialog shows up, check Abandon unsaved data and shut down and click the Shut down

Monitor the CPU load and check if the issue has been solved.

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