Fix svc host 100 CPU On Windows OS With 5 Easy And Quick Hacks

Windows users often face the problem where 100% of the CPU and the hard disk is used by the ‘System Host: Local System (Network Restricted)’ process. This issue was first noticed in Windows 8. But nowadays, it has adhered to the Windows 10 users.  

When users encounter this problem, the ‘System Host: Local System (Network Restricted)’ process hosting 100% of the CPU of the computer. It also hosts 72 MB/s of the system’s capacity to read and write data of the hard disk. 

If you are also struggling with the ‘svc host 100 CPU’ issue, then do not worry. In this article, you will learn the amazing ways which can help you to troubleshoot this issue. 

Hence, you are recommended to take a glance at the guide discussed below. So, let’s begin. 

Easy Tips and Tricks for svc host Fix on Windows OS

Before going to perform the troubleshooting hacks, it is essential to identify the reason behind the issue. Corrupted system files initially trigger this issue to occur. If the system is infected by any virus or malware, then you can also face this issue. 

However, you need to fix it immediately to use the computer properly. Let’s have a look at the hacks explained below: 

Procedure 1: Disable the Superfetch Service

Windows Superfetch service is used to launch the apps faster. It also enhances the speed of the CPU. It does it by pre-loading the apps that you usually use into RAM. 

Hence, if this service is enabled on your computer, then it also can create this problem. You can easily solve this issue by disabling this service. To do that, you should implement the steps as follows: 

  1. First and foremost, hit the R and Win key both at the same time from the keyboard to launch the Run Dialog box. 
  2. Now, type ‘services.msc’ in the Run Command box. Press the Enter key from the keyboard to process further. (Else, you can also tap on the OK button).
  3. As a result, you will see a list of all the services that are currently installed on the system. Search for the ‘Superfetch’ service by scrolling down the list.
  4. Click twice on the ‘Superfetch’ option to edit the settings.
  5. Tap on the ‘Stop’ button to block the service.
  6. Click on the ‘Startup type’ and tap on the ‘Disabled’ option.
  7. Tap on the Apply and then click on OK.

Now, you should restart the system and check whether or not the issue has been removed. If the issue persists, then you should fix the corrupted system files by running SFC checker. 

Procedure 2: Run the SFC or System File Checker

System File Checker is an in-built tool of Windows Operating System that helps the users to scan the entire computer for any damaged or corrupted system files. 

It also has the efficiency to fix the corrupted system files automatically. Hence, you should run the SFC to get rid of this issue. 

How to Run SFC Checker? 

  1. In the beginning, bring up the Start menu. 
  2. Then, type “command prompt” in the search field of the Start menu. 
  3. Right-click on the ‘Command Prompt’ option showing as the search result. 
  4. Select the ‘Run as Administrator’ option from the list to invoke the Command Prompt with admin privilege. 
  5. Next, you have to type the command “sfc/scannow” in the command line and hit the Enter key to execute the command. 
  6. Now, you have to wait for a few seconds until the scanning procedure is running. If it finds any corrupted system files, then it will fix them automatically. 
  7. Once the scanning process completes, you should exit from the Command Prompt window. 
  8. Restart the system to apply the changes. 

Now, you should check if the issue still continues. If it still occurs, then you should try to kill the SVC host from the Task Manager. 

Procedure 3: Kill the SVChost Process

‘svchost.exe’ is an integral part of the Windows Operating System that can’t be restarted or stopped manually. It manages system services that run from dynamic link libraries. 

You can also stop high usage of CPU by killing the SVChost process. To perform this, you should follow the steps mentioned below: 

  1. First, press the Del, Shift, and Ctrl key simultaneously from the keyboard to invoke the Windows Task Manager. 

Note: If you prefer, you can right-click on the Taskbar and choose the ‘Task Manager’ option from the list.

  1. Tap on the ‘More details’ option to expand the list of the manager. It will show all the process that is currently running on the system. 
  2. Search for the ‘Service Host: Local System’ process. It hosts both the Update Orchestrator and Windows Update service. 
  3. Choose the task and tap on the ‘End task’ option.
  4. It will open a confirmation box. Check the box that prompts ‘Abandon unsaved data’ and ‘shut down.’ 
  5. Tap on the ‘Shut down’ option. 

Now, you should monitor the load of the CPU and check if the problem still persists. If you see that the issue still occurs, then you should perform a clean boot of the system. 

Procedure 4: Perform a Clean Boot of the Computer

Sometimes, a third-party service or app might be creating high CPU usage. Hence, you should disable all the non-essential apps and services at startup. 

For that, you should take a glance at the steps stated below:

  1. First, log in to the system with an admin account.
  2. Press the R and Win key simultaneously from the keyboard to open the Run Command box. 
  3. Now, type “msconfig” in the Run bo and hit the Enter key from the keyboard.
  4. Navigate to the ‘Services’ category and untick the ‘Hide all Microsoft Services’ box.
  5. Tap on the ‘Disable All’ option and then click on the OK button.
  6. Go to the Startup tab and tap on the ‘Open Task Manager’ option.
  7. Under the Task Manager window, tap on the ‘Startup’ option. 
  8. Choose an app from the list that has ‘Enabled’ written near to it. Then, click on the ‘Disable’ button. 
  9. Repeat the same steps for all apps of the list. Then, restart the system.  
  10. Now, the system computer has been booted successfully in the ‘Clean Boot’ state.

After that, you should check if the problem goes away. But, if you see that the error does not reappear, then you should enable the services and identify the one triggering this issue. 

Next, either reinstall that particular service or keep it deactivated. If this is not enough, then you should disable the antivirus to check if it can help you to fix this issue. 

Procedure 5: Disable the Antivirus

According to some users, they have solved this issue by disabling the third-party antivirus program. You should try to disable the antivirus to stop the high CPU usage. 

First, go to the system tray of the taskbar and right-click on the antivirus icon. If you are unable to locate the antivirus icon, then find it in the hidden icon. 

Click on the upper arrow and right-click on the antivirus icon. Now, click on the ‘Disable’ option. After that, you should check if the problem has been resolved. 

Additional Method: Non-paged Pool of Memory

If all the above solutions failed to fix this issue, then you should try this method. 

  1. First, launch the Run box by pressing the R and Windows key simultaneously from the keyboard. 
  2. Then, type “regedit” in the Run command box and tap on the OK button. 
  3. From the left pane of the Registry Editor window, go to the location: 


  1. Go to the Services category. Scroll down the list of services and select the ‘Ndu’ option.
  2. Click twice on the ‘Start’ option to modify it.
  3. Now, change the value data to 4. It will plug the memory leak by disabling it from the non-paged pool.
  4. Tap on the OK button.
  5. Now, you should exit from the Registry Editor.

After that, restart the system. When the system boots up, you will see that the ‘System Host: Local System (Network Restricted)’ process is no longer using a huge amount of the CPU.  

Final Recommendation

In this guide, we have provided 4 possible hacks along with an additional guide to fix the ‘svc host 100 CPU’ issue. Hopefully, you can put an end to this bug after applying all the above hacks in their correct order. 

If you see that the above methods are far more complicated for you, then you can connect with a tech expert for further assistance. You can also use the feedback section to share your queries.

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