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How to Fix Killer Network Service High CPU Usage


Key Takeaways
  • Killer Network Service (KNS) is a background service commonly found in gaming laptops that can cause high CPU usage issues, resulting in PC lag and frame drops during gaming.
  • To check if the KNS service on your PC is malware, follow steps to verify the service's location and path to determine if it is legitimate or a potential threat.
  • Methods to fix high CPU usage of KNS include stopping the service, running DISM, using the Resource Monitor to end the process, uninstalling the service, switching to high performance, and resetting/reinstalling Windows if necessary.

Killer Network Service or KNS runs in the background of your PC and is most commonly found in gaming laptops. It is not a Windows application and has multiple performance issues. This reduces the speed of the PC and also reduces the overall performance. Killer Network Service makes the gaming experience better. However, sometimes you may face issues with Killer Network CPU Service, which may cause high CPU usage issues. 

If you have been facing High CPU usage due to Killer Network Service, you may face issues like PC lag, constant frame drops while playing the game, and various such. This article will discuss how you can fix high CPU usage due to Killer Network Service. 

How to Fix Killer Network Service High CPU Usage

Is Killer Network Service A Virus?

As you know, Killer Network Service is a background service, not a virus. But many times, malware would pretend to be the KNS and access every service’s location or path on the computer, but the malware will not have the same location. If you want to check if the KNS service on your PC is malware or not, then follow the given steps-

  • Open File Explorer on your PC by pressing the Windows + E key combo. 
  • Here, head to the following path-

Note- The given path will not work for the users who do not have Killer Network Service. 

  • Now, right-click on the given executable file for KNS and click on Properties. 
  • Here, check if the path for Killer Network Service is as same as above or not.
  • If it is the same, then KNS is not a virus. However, if it is different, then it is malware. 

Fix High CPU usage Of Killer Network Service

So, the following are the methods using which you can fix the issue of high CPU usage of Killer Network Service. 

Stop Killer Network Service

KNS handles many processes; these processes sometimes might not be compatible and can cause high CPU errors. Now, if you want to stop KNS from using your CPU, then follow the given steps-

  • Open Start Menu, search for Service and then click on Enter.
  • Scroll and find Killer Network Service there. 
  • Double-click on KNS and then click on the Stop button to stop the service.


If you have been facing this issue, you should try running DISM. To do so, follow the steps given below-

  • Press Windows + S key combo, and search for CMD. Right-click on Command Prompt and now choose the Run As Administrator option in the pop-up menu. 
  • In the Command Prompt, type DISM.exe/Online/clean-image/Restorehealth and then press Enter to start the operation. 


This command will automatically repair your system, and you will not lose significant data during the process. So, this is how you can fix the high CPU usage issue in Killer Network Service. If this does not work, you can try other methods. 

By Using The Resource Monitor

The main function of the Resource Monitor command is to detect system issues. Using this command, you can fix various issues, even high CPU usage caused due to KNS. To do so, follow the steps given below-

  • Press Windows + R key combo to open Run Dialog Box.   
  • Now, type resmon there and then click on OK.

What is Killer Network Service? How to Fix its High CPU Usage?

  • In the Resource Monitor window, look out for Killer Network Service. Right-click on it, and then click on End Process.

What is Killer Network Service? How to Fix its High CPU Usage?

By Uninstalling the Killer Network Service

Uninstalling the KNS is another way to fix its high CPU usage. As this service is not a Windows service, it has little or no effect on your processes. Follow the given steps to uninstall this service-

  • Press the Windows key, search for Control Panel and click on the first option to open Control Panel. 
  • Now, click on Uninstall a program option under the Programs section. 
  • Click on Killer Network Manager Suite, and then click on Uninstall. Follow the on-screen instruction to uninstall the program.
  • Similarly, uninstall the Killer Wireless Drivers.

Switch To High Performance

Changing your power service can also help fix the high CPU usage issue. Follow the given steps to change your power settings-

  • Open Control Panel on your PC. 
  • Now, search for Power Options here and click on it. 

Power Options

  • Here, select High Performance. 
  • This should most probably fix the issue you have been facing. 

Reset/Reinstall Windows

If you still face the issue, you can try resetting the Windows. Resetting the Windows PC will clear all the settings, and you should not face the issue once the process is completed. You can follow our guide to resetting Windows PC. You can either reinstall Windows instead of resetting it. 


In this article, we discussed Killer Network Service and provided the troubleshooting steps for its high CPU usage. Most probably, these issues troubleshooting steps should fix the issue. If none of it works, resetting your Windows 11 to factory settings will surely help. 


Anurag Jain
Anurag Jainhttps://itechhacks.com
Anurag is a Senior content analyst with 4 years of experience in the industry. Based in India, He is extremely skilled at Windows related to How to Troubleshooting matters. His favorite topics are Windows 11, Android, and How To's.


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