How To Fix " Patcher Kernel has stopped working"

How To Fix " Patcher Kernel has stopped working" League Of Legends Problem

League of Legends, also known as LoL is one of the most engrossing free multiplayer online games. It is a mix of RTS (Real-time strategy) and RPG (role-playing game) and one of the most popular Multiplayer Online Battle Arena genre games. In the game, teams compete to destroy the opposing team's 'Nexus'. A Nexus in LoL is a protected structure located within the enemy's base. Released in 2009, LoL remains very popular and attracts players from around the world.

You might have encountered the " Patcher Kernel has stopped working" error that prevents launching the game. This can be very frustrating, especially knowing how addictive this game is. The error occurs when a particular program stops working correctly and Windows closes the game without enabling the player to bypass it. The error is usually due the client not having sufficient permission for the program to run. Fortunately, there are ways to fix this problem without needing to reinstall the game. In this guide, we provide a number of possible solutions that will hopefully enable you to continue playing League of Legends. Patcher Kernel has Stopped Working

Table of Contents:

Run LoL As Administrator

An administrator account allows users to change the configuration of other accounts. Administrators can change various security settings, install software, access all files on the system, etc. One of the easiest ways to fix the " Patcher Kernel has stopped working" problem is to run LoL as administrator, however, you must first be logged into an administrator account. Assuming that you are using an administrative account, right-click the League of Legends shortcut on the desktop (or the original executable file that you are using to launch the file) and select the "Run as administrator" option from the contextual menu. See if this fixes the problem and if you are now able to launch League of Legends successfully.

run lol as administrator step 1

If you were able to launch the game by running it as administrator and wish to open the file as administrator every time you launch it, simply right-click it and select Properties. Go to the "Compatibility" tab and find the "Run this program as an administrator" checkbox. Tick it and click "Apply" to save the changes. The game will now be started with administrative privileges each time you launch it.

run lol as administrator step 2

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End LoL Process

Ending the LoL process using Task Manager might fix the " Patcher Kernel has stopped working" problem. Task Manager is useful when there is a need to close/terminate a particular running program that is frozen, not responding, taking too many CPU resources, or simply not working properly. Task Manager helps to close programs and stop processes from running (when exiting normally does not work). To open it, press the Ctrl + Shift + Esc keys on your keyboard, or right-click the Start and select "Task Manager" from the contextual menu.

end lol process step 1

In Task Manager, you will see a list of services and programs that are currently running. Find any process related to League of Legends and right-click it, and then select "End task" from the contextual menu. If there are several League of Legends processes running, apply these steps to each of them. Now run LoL as administrator and see if this fixes the " Patcher Kernel has stopped working" problem.

end lol process step 2

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Remove Game Patch Files

If running League of Legends as administrator, or ending the League of Legends processes did not fix the " Patcher Kernel has stopped working" problem, we recommend that you remove some of the game patch files of LoL. These might have been corrupted or are configured incorrectly. Removing them might help, since the LoL game will automatically download missing files and replace them.

First, find the RADS folder, which should be in the Local Disk (C:) under Riot Games folder (under League of Legends Folder), and open it.

remove game patch files step 1

Now go to projects > lol_air_client > releases > and select the latest folder. Find "releasemanifest" and "S_OK" files and delete them.

remove game patch files step 2

Now open the "deploy" folder, find and delete "properties", "META-INF", "logs" and "LoLClient.exe" files. Restart the computer and launch the game as administrator to see if this fixes the " Patcher Kernel has stopped working" problem.

We hope this guide was useful and you were able to fix the " Patcher Kernel has stopped working" problem that prevented you from launching the game. If you know of other solutions to this problem, not mentioned in our guide, please share them with us by leaving a comment in the section below.

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About the author:

Tomas Meskauskas

I am passionate about computer security and technology. I have an experience of 10 years working in various companies related to computer technical issue solving and Internet security. I have been working as an editor for since 2010. Follow me on Twitter to stay informed about the latest tech news or online security threats. Contact Tomas Meskauskas.

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