SOLVED : League of Legends “A Critical Error Has Occurred”

League of Legends - A Critical Error Has Occurred

League of Legends needs no introduction for someone in battle arena gaming space. With over 150 million all-time users shows its immense popularity in the gaming space.

However, being a LoL user, it’s common to get a few random bugs or errors. But one error that has been for a while is the League of Legends critical error.

It is believed that, back in 2018, Riot games added a few features to the game. Since then users started encountering the critical error issue while launching LoL client . Unfortunately, the developers are yet to fix this error.

Typically the error message reads as follow, “A critical error has occurred and the process must be terminated.

This error occurs when you start the game and interrupt the startup process which won’t let you open the game. If you’ve been struggling with this error for a while. In this article, we will show you all the steps that can fix this error.

What Causes the League of Legends “A Critical Error Has Occurred”?

Although the developers haven’t come up with any official solutions regarding this error. There can still be many factors behind this error. It mainly happens due to some outdated graphics driver, or even an outdated operating system.

Moreover, there can be some software interrupting games like antivirus, or some streaming apps. Whatever the reason may be, we do have a bunch of fixes that you can try and fix this error.

Follow the article, and apply all the fixes and you will able to play the game like before without any errors.

How to Fix League of Legends Critical Error?

1. Check the LOL Server Status

The first thing you should do is check if the LOL servers are up or not. Sometimes, the server is down due to maintenance or some technical issues. When the server is down it’s pretty common to face these errors.

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So, before applying any fix, it is recommended to check the status of LOL servers. If you’re wondering how to do that, here are the steps to follow.

Open the official website of Riot’s Server Status

From the homepage, select the game.

In this case, it’s League of Legends, so click on its option.

The LOL server status page will appear.

Now select your region and language.

It will show the server status, you can check if there is any issue.

If the servers are down, then you can only wait until Riot games fix this issue. Otherwise, follow up with other solutions below.

2. Run the game as Administrator

A very simple fix for this error is just running the game with administrator access. Many users who were facing this error have reported fixing this error by just following this method.

This method can work with any app that is having some random bugs. To run the League of Legends with Admin access follow the given steps.

Start by right-clicking the game file(.exe) of League of Legends, you may find it on your desktop or Program Files folder.

Now select the Properties, and then move to the Compatibility tab.

From there look for the Run this program as an administrator and check on the box.

Run this as an administrator

Finally, click on Apply and then Ok.

Once you’re done you can launch the game and see if the issue persists

3. Update Windows

An outdated window can also be a major reason behind this error. If you’re using an outdated version of Windows, you might find this error popping up randomly.

This mainly happens when you haven’t updated your system for a long time. Your PC needs the necessary updates to run all the programs properly.

So, make sure to check for the updates regularly, and if there are any update them ASAP. To update the Windows follow these steps.

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On your keyboard, press the Windows + I key to open the Settings app. Settings Update & Security

Click on the Update and Security option.Windows Check For Update

From the Windows Update tab, click on Check for Updates.

Once the check is completed it will show all the updates that you have to install. You can start downloading the updates from there.

When the download gets completed, restart your PC to install the updates.

Now you have updated your system. Open the game again and your game would start working if the issue was with outdated windows.

4. Disable Firewall and Antivirus

We all use Windows Firewall or any other third-party antivirus to keep our system safe from any unwanted malware. However, sometimes these tools can interrupt any program and cause these errors.

You can fix this by disabling the Firewall or antivirus. If you don’t know how to do that, here are the steps to disable the Windows Firewall.

open the Control Panel on your PC and click on System and Security.Control Panel - System and Security

Now click on Windows Defender FirewallWindows Defender Firewall

From the left panel, select Turn Windows Firewall on or off.Turn Windows Defender Firewall On & Off

In the next interface, you will see two sections: Private network and the Public network. In both of them select the Turn off Windows Firewall option.

Once you’re done, just make sure to restart the system. Launch the game and see if this fixes the issue.

5. Update Graphics Card Drivers

If you’re using an outdated graphics driver, there is a high chance the error is caused by the GPU drivers. If your graphics drivers are not updated then it can result in many other issues later on.

So it’s highly recommended to update your graphics driver. You can do this through the manufacturer’s official website or using the  Windows Device manager. Here are the steps to update your GPU drivers using the Windows Device Manager.

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Open the Control Panel and click on Hardware and Sound.Control Panel - Hardware & Sound

Now under Devices and Printers, click on Device Manager.Device Manager

Select your device name and click on the Display adapter tab.Display Adaptor - Graphics Card

From the drop-down menu look for your display adapter and right-click on it.

Click on the Update driver option.Update Driver for Nvidia Display Adaptor

Now select Automatically search for the graphic driver option.

Wait until the installation process, and then restart your PC to see if the issue is resolved or not.

6. Reinstall League of Legends

There can be some issues with your League of Legends game. Sometimes a corrupted update or installation file can cause these errors. Moreover, there can be some config files that are interrupting the game, so make sure to clear them all.

To fix the League of Legends installation file you need to reinstall the software from the official website. This will install the latest game with all the working files. Here are the steps to reinstall League of Legends:

Open the Control Panel and Click on Programs.Control Panel - Uninstall a Program

In Programs, select the Programs and Features option.

Now look for the League of Legends from the list.

Once you find click on it and select Uninstall.

Follow all the necessary steps to complete the uninstallation of League of Legends. Once done restart your system.

Now open any browser and head over to the official website of League of Legends.

From here you can click on Download for Windows. Wait for a few minutes until it completes downloading.

Finally, install and run the game and see if you can play the game or not.

7. Use Hextech Repair Tool

If you’re still not able to fix the issue, you can try the Hextech Repair tool. It is specially built to help you with any issues on the game. You can use this tool to fix the critical error issue on your game.

Hextech Repair Tool

This tool is free to download and use and can solve most of the issues in the League of Legends game. Once you use the tool, it will come up with all the troubleshooting solutions that you can then follow up with.

Moreover, if these solutions didn’t help you can try contacting the League of Legends support and they will assist you from their side.



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