Service Host Local System Network Restricted Causing High CPU Usage Fix

Service host: Local system network restricted is a combination of Windows and other related services, for instance the auto-update service by Windows. These type of services usually tend to use up a lot of your system’s memory, CPU and other resources. But, when it’s starts consuming 90% of your system’s hard disk space, that’s when it becomes a concern.

Some users complain of coming across the “Service host local system network restricted” causing high CPU usage where multiple svchost.exe processes open at the same time, eating up your system’s power. This is turn makes the device slow and even prone to crashes. It could be due to a glitch in the programs, services, or due to damaged system files. It can also arise due to a malicious software. However, we have found a way to fix this issue, Let’s see how.

 

Solution: By Disabling Superfetch / SysMain Service

 

Although it’s believed that the Superfetch/SysMain service improves the system performance over the time, many users find it working fine only upto a certain time after the Windows OS is freshly installed. After a certain time, it does affect the system performance. Let’s see how to disable the service.

 

Step 1: Press the Win + R keys together on your keyboard and the Run command opens.

 

Step 2: Write services.msc in the Run command search box and hit press OK.

 

 

Step 3: The Service manager window will open. Go to the Names section on the right and locate Superfetch or SysMain in the list.

Right-click on Superfetch or SysMain and select Stop from the right-click menu.

 

 

*Note – If you cannot find Superfetch, that’s because Microsoft changed the name to SysMain.

 

Now, exit the Services window and go back to Task Manager. Here you would see that the CPU usage has reduced considerably and your computer is back to normal. You can now work on your computer smoothly.