After the release of Windows 11, many users reported that they can run League of Legends on Windows 11. They encounter startup crashes or errors during the game startup process. More and more users worry about they can play League of Legends on Windows 11 after upgrading. So, this article will help you check if you can run League of Legends on Windows 11 and if how to fix A Critical Error Has Occurred on Windows 11.

As we all know, the computer hardware should meet the League of Legends system requirements, then users can play League of Legends. Therefore, let’s learn about the League of Legends minimum system requirements at first.
League of Legends System Requirements
System Requirements | Minimum | Recommended |
OS | Windows 7 or higher | Windows 10, 64-bit or higher |
CPU | Intel Core i3-530 / AMD A6-3650 | Intel Core i5-3300 / AMD Ryzen 3 1200 |
Memory | 2 GB RAM | 4 GB RAM |
Graphics | NVidia GeForce 9600GT / AMD Radeon HD 6570 / Intel HD 4600 Integrated Graphics (DirectX 10) | NVidia GeForce GTX 560 / AMD Radeon HD 6950 / Intel UHD 630 Integrated Graphics (DirectX 11) |
Vertex shader | 4.0 | 5.0 |
Pixel Shader | 4.0 | 5.0 |
Storage | 16 GB | 16 GB |
How to Fix League of Legends Critical Error on Windows 11?
According to users, they are encountering an issue “a critical error has occurred” when play League of Legends (LoL) on Windows 11. there are 4 ways to fix League of Legends Critical Error on Windows 11. Keep reading one by one.
Fix League of Legends Critical Error via League of Legends Properties
To launch Task Manager, click on start menu to search for Task Manager. Navigate to Processes tab, end the task of running League of Legends, also make sure to stop any Riot Games or League of Legends processes from running in the background.

Open File Explorer and go to the drive where the League of Legends saved on, then move to Program Files>Riot Games>VALORANT>League of Legends. In the League of Legends folder, delete the Config and DATA folders which will be downloaded again when you start your League launcher next time.

Go to League of Legends Properties by opening the Game folder and right-clicking on League of Legends to choose Properties. Check the box before the option Disable fullscreen optimizations under the Compatibility tab, and Run this program as an administrator.

Now, you can check if the issue the Critical Error while playing League of Legends is solved. If it doesn’t work. Read the following fixes.
Fix League of Legends Critical Error via Firewall Bypass
In some cases, the League of Legends Critical Error may be caused by the firewall which is blocked by some software. So, you just need to bypass the firewall to solve League of Legends Critical Error.
Open up your Firewall & Network Protection by searching for Firewall in your start menu search and then click on Allow an app through firewall.

Click on Change Settings, and ensure League of Legends in this list. If not, then select Allow another app>Browse>Drive on which League of Legends is saved>Program files > Riot Games > League of Legends > Game. Choose the League of Legends application and select Open.
Now, you can check if this way can solve the League of Legends can’t run on Windows 11.
Fix League of Legends Critical Error via Graphics Driver Update
Outdated or corrupt graphics driver may result League of Legends not launching correctly on Windows 11, then you just need to update your graphics driver to fix this issue.
To update graphics driver, click on start menu, choose device manager, expand the Display adapters, and then manually select the dedicated GPU.
Fix League of Legends Critical Error via Windows Update
In some cases, if your system is not the latest version, which may also results in issues on playing games. Because the latest version always fixes known bugs. Therefore, you can try to update your Windows to fix League of Legends Critical Error.

Click on start menu and search for Update, click on Check for updates, and then download the latest update, restart your PC. After that, reinstall League of Legends to your system and then check if League of Legends can work on your Windows 11.
Conclusion
Now, you can check if your system meets the League of Legends system requirements. you can run League of Legends on Windows 11 as long as your hardware meets the system requirements. Even though you can’t play League of Legends on Windows 11, you can fix it by the methods mentioned above.
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