The problem that Patcher Kernel has stopped working might appear while you are trying to launch League of Legends (LoL). MiniTool Software provides 3 solutions to this error. Feel free to have a try if you are facing the problem.

League of Legends is one of the most engrossing online games. It is a mix of RTS (real-time strategy) and RPG (role-playing game). However, some users report that they encountered Patcher Kernel has stopped working error message. It’s really annoying because it prevents the game from launching.

The error occurs due to various reasons. Fortunately, there are methods to fix the problem. Just keep reading.

Method 1: Run LoL as Administrator

Some users have solved Patcher Kernel has stopped working simply by running the game as administrator. You can also have a try.

When you run LoL from administrative access, it gets past firewalls and other checks performed by system, which makes it work without any hindrance.

You just need to right-click the shortcut of LoL on your desktop and select Run as administrator.

If the game works properly now, proceed with the following operation to run it as administrator every time when you play the game.

  1. Right-click the shortcut of LoL and choose Properties.
  2. Click Compatibility.
  3. Check Run this program as an administrator.
  4. Click Apply and then OK to save the changes you have made.

Here is another way to Set Apps Always Run as an Administrator Windows 10. Click to get the information if you need.

Method 2: End the Program and Launch It

When there is a need to terminate a specific running program that is frozen, not responding, taking too many CPU resources, or simply not working properly, Task Manager is a good tool to help fix the problem.

So, try ending LoL using Task Manager if you’re facing the problem that Patcher Kernel has stopped working in League of Legends.

Step 1: Press Ctrl + Shift + Esc to access Task Manager.

Step 2: Under Processes tab, locate League of Legends and right-click it. Then select End task to close the program.

Then you can follow Method 1 to launch LoL as administrator. If the problem still exits, continue to try the next method.

Method 3: Remove Game Patch Files

If the game patch files of LoL are corrupted or incorrectly configured, you may encounter the error that Patcher Kernel has stopped working. To solve the problem, you need to remove these files.

Step 1: Navigate to the installation folder of your League of Legends. By default, you can go to C:/Riot Games/League of Legends.

Tip: If you don’t know where you installed the game, you can right-click the shortcut and select Open file location to find it.

Step 2: Now go to RADS >projects > lol_air_client > releases > (the folder with the highest number). Delete releasemanifest and S_OK.

Step 3: Then click deply folder and delete the following files and folders in it:

  • properties
  • logs
  • exe

delete some LoL files

Step 4: Restart your computer.

Now you can launch LoL as administrator, and the problem that Patcher Kernel has stopped working should have been removed.

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