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How to Fix High CPU Usage by “Service Host: Local System (Network Restricted)”

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One thing you do not want happening on your system is for an extreme amount of resources used up. In Windows 10 PCs, the “Service Host: Local System (Network Restricted)” process group found in the Task Manager can consume a huge amount of resources (CPU, disk, and memory).

A reason for this occurrence is the Superfetch service. Ironically, sometimes the Windows Task Manager may not point this out. This is usually only enabled in PCs using the traditional mechanical hard drives rather than solid-state drives.

A fix to High CPU Usage by “Service Host: Local System (Network Restricted)” problem is disabling the Superfetch service, but this fix should only be applied only if the computer is actually having this problem.

Disabling the Superfetch Service

Start by locating the search in the right side of the taskbar, click on it and type services then hit enter. Click the “Services” shortcut. Alternatively, you could use the keyboard hotkey “Windows + R” and type “services.msc” in the run dialog and then press Enter.

Once the window has opened in the list of services, scroll down and double-click the “Superfetch” service. This opens its properties window.

In the Superfetch properties window that opens you will be required to disable the Startup time property. This normally should be set to a value of “Automatic”. Clicking the drop-down list reveals more options. Select the disable option.

 

You will need to stop the service after disabling it. Under the “Service status” click “stop”.

Once this is done, all you need to do is click “Apply” and “Ok”. This should correct the issue. As a double measure, you may restart the system to make sure all changes have been effected

Running the System File Checker

This is an alternative method and can be equally effective. You will need the command prompt interface to perform this fix.

Clicking the search icon on the right side of the taskbar, type ‘cmd’. Right click on the Command Prompt icon and click on ‘Run as Administrator’. Click yes to accept the UAC prompt when it comes up.

Once the command prompt is open, type the “sfc /scannow” and press enter.

This causes a scan to commence. Be patient for this scan to complete.the scan performs the fix as well. The message “Windows Resource Protection found corrupt files and successfully repaired them. Details are included in the CBS.Log %WinDir%\Logs\CBS\CBS.log’ is displayed once the scan was successful”.

Finally, in the command prompt type or copy and paste “dism /Online /Cleanup-Image /RestoreHealth”. Once this command executes, the problem should be fixed.

 

Conclusion

These fixes should not be experimented on unless you are sure your computer absolutely has a High CPU Usage by “Service Host: Local System (Network Restricted)” problem.

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