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league of legends critical error

League of Legends is a turbo action-strategy game for those who desire to use their intellect and thinking capabilities to win over a territory, enemy, or simply climb up the competitive ranked ladder. As great as this game may be, there are some flaws and bugs that need fixing. In this post, I am going to be sharing step-by-step methods to solve a commonly occurring “league of legends critical error.” 

When Does the “League of Legends Critical Error” Occur? 

Most gamers have reported having encountered this error after a Windows operating system update. Microsoft continues to make improvements and bug-fixes in their operating systems. The operating system must have identified some of the files in the game setup as suspicious or potentially threatening. 

Also, upon withdrawing or reverting the new update, the games seem to work as usual. I don’t think a lot of gamers are willing to risk a malware or a cyber attack just to be able to play their favorite game. 

“The league of legends critical error” can also occur upon installing a security or maintenance software. In the next section, I have shared some easy steps to counter this problem.

What Are the Best Ways to Get Rid of “League of Legends Critical Error”?

1. Reboot the Internet Router and Modem

League of Legends is an online multiplayer game. Without a decent internet connection, you will most likely struggle to keep pace with the gamers on the other side. The “league of legends critical error” can occur as a result of loosely connected internet cables. 

To make sure everything is perfect again, it is advised to reboot or restart the internet router and the modem. Bear in mind that I am not asking you to reset the router. Doing so would result in loss of information such as the routing table, IP address of the machine, MAC address, etc.

Follow the instructions given below to reboot the router and modem.

Step 1

Unplug the modem first and then the router. It is crucial to unplug these devices in the right order as they are interdependent and are always in communication with each other. The modem provides you access to the internet, whereas the router merely distributes the connection to several of your devices. 

When you unplug the modem first, the router will show a loss of connection signal. This may also inform the internet service provider about the issue. Also, it is recommended that you wait for a few seconds after unplugging the modem.

Step 2:

Power up the modem first. Wait for a few seconds. And now you can power up the router too. 

Step 3:

Wait for a couple of minutes before you check the internet connection status. Modems and routers may have some internal components that might need a few minutes to retrieve the relevant data.

Step 4:

Now you can test the internet connection status. If everything seems usual, simply run the game. The “league of legends critical error” will not bug you again if there was a network connection issue.

2. Disable the Antivirus Software

Antivirus software not only affects gaming performance but can also create major problems loading up a game. The critical error encountered by gamers worldwide can be a result of an overly suspicious antivirus program. 

A game setup has thousands of files. The antivirus software you have installed on your machine may have marked one of the game files as suspicious. As a result, the game fails to execute.

Follow the instructions given below to disable the antivirus software.

Step 1

Before you turn off or disable the antivirus software on your computer, you must be prepared to deal with malware or cyber-attacks. Do not make an online financial transaction while the security program is turned off. 

The first step is to go to the notification tray located at the bottom right of the screen—Right-click on the antivirus program icon. 

Step 2:

From the drop-down menu, click on Disable temporarily. Based on the antivirus program company, the terminology might differ, but I hope you get the gist of what I am trying to inform. 

Step 3:

Some companies also allow you to choose the duration for which you want to turn off the program. Select accordingly and hit OK.

3. Run the Game as Administrator

Do you have more than one user’s account on your computer? If yes, then you might want to check the permissions first. Sometimes, despite the user being a member of the Administrators group, the machine does not offer access to the specific executable files. This is observed more often with executable game files. To solve this problem, you either need to change the user permissions or simply run the program as an administrator. 

Follow the instructions given below to run the League of Legends game as administrator.  

Step 1

Right-click on the League of Legends shortcut and select the option “Run as administrator” from the drop-down menu. 

Step 2:

As shown in the screenshot above, a new window will appear. Select the Compatibility tab. 

Step 3:

Check the Disable fullscreen optimization and then check Run this program as an administrator. Refer to the above screenshot to locate these options. 

Step 4:

Click Apply and then hit OK. If the user account you currently logged in does not have permission to run this file, you can follow the above steps each time you wish to play the game. Another more straightforward option would be to log in with the administrator account. 

4. End the Process From the Task Manager

Loading up the game again in the memory is one of the best ways to get rid of “league of legends critical error.” Although, you might have to end the process for League of Legends each time you wish to play the game or after every instance of the critical error. 

Follow the instruction given below to end the process of League of Legends from the task manager. 

Step 1

Open task manager by right-clicking on the taskbar. You can also gain access to the task manager by pressing CTRL+SHIFT+DEL, all at the same time. 

Step 2:

Go to the Processors tab. End each of the processes related to the League of Legends. Simply right-click on each of the processes and select the end process. 

Step 3:

Run the League of Legends executable file again. 

5. Use the System File Checker 

A lot of gamers have found respite by restoring the health of their machine. The process of restoring the health also involves running the System File Checker (SFC) scan at least once. 

Follow the instructions given below to scan and restore the health of your machine. 

Step 1

Open Command Prompt by searching for it in the Windows search box located in the button left corner of the screen. You can type the search keyword, “CMD.” 

Step 2:

Once the Command Prompt windows pop opens, type this code “DISM / Online / Cleanup-Image / RestoreHealth” and hit Enter

Step 3:

After the machine restores its health, restart the computer and open the Command Prompt window again. In this instance, type the code “sfc / scannow.” The machine will begin to scan the System File Checker (takes care of Windows updates).

Step 4:

Restart the computer again and launch the League of Legends game.

Frequently Asked Questions (FAQs) About the League of Legends

1. Why Is the League of Legends so Popular? 

League of Legends is one of the easiest games to learn as a beginner gamer. Also, it allows you to add four more players to the team with you as the admin. Compared to other strategy games like Dota and Hon, League of Legends or also known as LoL has a bright and optimistic looking theme. 

2. Does League of Legends Have Single Player Mode?

As of now, League of Legends does not have a campaign mode. A report by PcGamesN confirms that Riot Games, the developer of this game, is planning to launch a story-driven single-player version soon. This new version will be made available for all devices, including PC, console, and smartphones.

3. What Are the Common Bugs or Issues With the League of Legends Client?

Apart from the critical system error, League of Legends Clients has some issues related to an application crash, bugs, reconnections, and champ select. There is subreddit r/leagueoflegends where you can learn about commonly occurring problems with this client and their possible solutions. 

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