League of Legends (LOL) is one of the most well-liked multiplayer online battle arena (MOBA) games and provides an enjoyable gaming experience. Despite being a good game, a few bugs might occasionally arise, such as League of Legends not opening on Mac, the League black screen, error code 004, an unidentified Direct X problem, the League Of Legends bug splat before the loading screen, etc. Furthermore, there are occasions when this game doesn’t function properly with Mac devices, and many users have reported experiencing difficulties opening or starting League of Legends. This problem may be bothering you as well.

You can try some easy methods to fix the problem, like Terminating the RiotMacContainer, modifying DNS settings, removing the lock file, and starting the Hextech Repair Tool. You can also Reinstall the League of Legends App, Check the device’s compatibility, and Use Third-Party Tools. Contact the customer support team if the game still doesn’t open.

Whatever the cause of the issue, you must resolve it to play League of Legends, and we’ve provided some useful solutions below.

Reasons for League of Legends not opening on Mac

Many players are in the League of Legends (LoL) game, but occasionally, problems like League of Legends not opening on Mac could come up for gamers.

This issue can appear in several ways, such as the League of Legends client or installer, not opening or even the launcher or client not launching. league of legends home pageThere might be several other causes for this frequent issue, such as firewalls, Internet connection problems, LOL server problems, installation problems, etc.

League of Legends will not launch on Mac computers for a few main reasons,

  • Outdated client or game files: League of Legends may only open or function if the client or game files are updated. Otherwise, it will show that the League of Legends download not working on Mac. That is frequently the case when the “League of Legends patcher not opening” problem arises.
  • Compatibility issues: The game might not work perfectly with the macOS version that is currently installed on the machine. compatibility issueTopics such as “League of Legends not opening in OS X,” “League of Legends not opening in Big Sur,” or “League of Legends not opening in Monterey” may result from this.
  • File corruption: Launch problems frequently result from corruption in the game file. The problem of “League of Legends game files not opening” may arise. windows corrupt filesUsually, the launch problem comes with file corruption notices, which leads to the League of Legends app not opening on Mac.
  • Network issues: League of Legends needs to be connected to the internet.mesh network Problems with connectivity may result in the launch.

See Also: How To Change League Of Legends Language: Guide 2024

Methods to Fix League of Legends not opening on Mac

These startup issues must be fixed for Mac users like you who wish to experience League of Legends as fluidly and seamlessly as possible. The good news is that these problems are frequently readily resolved using appropriate troubleshooting techniques.

This post will discuss the most frequent reasons League of Legends won’t launch on Mac and offer workarounds to get the game back up and running. Try these more sophisticated techniques if League of Legends is not opening on Mac:

Method 1: Terminate the RiotMacContainer

Many gamers question why League of Legends isn’t opening on Mac. A “RiotMacContainer” background activity runs when League of Legends is open. It can cause problems if it is operating when the game is closed. That is how to end it:

  1. Start your Mac’s activity monitor. mac activity monitorIt is located in the applications folder’s Utilities folder.
  2. Locate “RiotMacContainer” in the list of processes.league of legends crashing
  3. If you locate it, click on it to make it selected, and then click the “X” icon in the activity monitor window’s upper-left corner.click x
  4. Verify that you want to end the procedure.
  5. Give League of Legends another go.

Method 2: Modify DNS settings

Most players will use their ISP’s DNS settings to connect to the internet. You could employ less-than-ideal settings, which may cause patching problems, latency, and the inability of your LOL launcher to open. Here’s how to resolve the problem if you can’t open League of Legends on Mac

  1. Navigate to the system preferences.
  2. Choose the network option.window settings
  3. After selecting your active connection, select Advanced.
  4. Select the DNS tab by clicking on it.routing rule properties
  5. In case you need to go back, make a note of your current settings.
  6. Next, the input for the first row will be service
  7. The input for the second row is a
  8. Press OK and proceed.press ok
  9. Next, to complete, click apply!

Method 3: Start the Hextech Repair Tool

Riot Games has another option in the form of its Hextech Repair Tool, in addition to the other tips, methods, and solutions mentioned above. hextech repair toolRiot Games claims that this automatic troubleshooter can assist in resolving several of the most frequent technical difficulties with the game, such as patching, firewall, and reinstallation issues.

The League of Legends player base has reacted well to the Hextech Repair Tool, a fantastic resource for Mac and Windows players. Go to Riot Games’ support page to get it immediately if you want to try it out.

Method 4: Remove the lock file

Occasionally, the problem may be brought on by a “lock file” in the League of Legends folder on your Mac. This file may interfere with the game’s proper start. That is how to get rid of it:

  1. To access League of Legends, open Finder and go to Macintosh HD > Users > Your Username > Library > Application Support.i am support league of legends
  2. Find the “lock file” within this folder, then delete it.
  3. To remove the file permanently, empty your Trash.empty bin now
  4. Give your Mac a restart and attempt to open League of Legends.

Method 5: Reinstall the League of Legends App

Reinstalling the game can frequently resolve issues with damaged game files or the League of Legends installation not opening. You can even try uninstalling the game and then reinstalling it following the same steps. However, if you are having trouble uninstalling the game, then don’t forget to check why League of Legends won’t uninstall. Here’s how to do it:

  1. Move the League of Legends program to the Trash by dragging it from your Applications folder.how to uninstall league of legends
  2. To permanently remove the game, empty your Trash.end process tree
  3. Download a brand-new version of League of Legends from the official website.
  4. Follow the instructions to install the game.
  5. Try opening League of Legends again.

Method 6: Check the compatibility of the device

Confirming that the macOS version of League of Legends is compatible with your Mac is crucial. For macOS requirements, see the Riot Games website. direct diganostic tool Update your macOS to the bare minimum required by League of Legends, if necessary. It is suggested to use Big Sur 11.2 or later. You can fix compatibility issues with timely updates.

Method 7: Fix Common Error Messages

When attempting to launch League of Legends on a Mac, the following advice might help you fix frequent problem messages:

  1. The application cannot be opened. why league of legends not opening on macReinstall the game and remove the lock file. Restart the client as administrator after forcing it to stop if the client isn’t starting up.
  2. It won’t open on Mac. mac with keyboardVerify whether there are any MacOS compatibility problems and update as needed.

Method 8: Use Third-Party Tools 

Several third-party programs can assist in identifying and fixing League of Legends Mac startup issues:

  1. Game file cleaning, optimization, and repair may be done with BoostMac. gp.third party tools
  2. CleanMyMac: Clears the screen and creates room for better performance.clean my mac
  3. Use caution, though, since certain tools can violate Riot Games‘ terms of service if misused. riot games logo
  4. When in doubt, look for system approval.

Method 9: Contact the Support Team

Please get in touch with Riot Games support if the troubleshooting techniques listed above are ineffective for getting League of Legends back up and running. 

  1. For one-on-one help, submit a ticket to Riot Games support.league of legend support item guide
  2. Ask for assistance from the community by posting on the League of Legends official forums or subreddit.group of people talking
  3. For a prompt answer, contact Riot Games support on Facebook or Twitter.facebook setting button


Does my Mac have everything the game requires?

Verify that your Mac has the specs needed for League of Legends to run well by checking the official requirements.

How can I change League of Legends' security settings?

Navigate to 'System Preferences,' choose 'Security & Privacy,' and confirm that League of Legends has the required rights allowed.

How do I check for software updates on my Mac?

To ensure that your operating system and apps are up to date, navigate to the Apple menu, pick 'System Preferences,' and click 'Software Update.'

Does a fast patch for frequent Mac League of Legends problems?

Restarting your computer is a quick and easy way to correct minor issues and boost system performance, which may help to cure the game launch issue.


League of Legends not opening on Mac can be fixed with methodical effort and close attention to detail.

You may frequently fix the issues stopping the game from opening by using the techniques mentioned earlier, which include searching for software updates, clinching the game files, and modifying security settings.

Troubleshooting also requires considering the possible impact of third-party apps and ensuring the system satisfies the game’s requirements. Since each person will have different problems, persistence and patience are essential.

Implementing these tips may increase your chances of having a flawless League of Legends gaming experience.

See Also: How To Conduct A League Of Legends Ping Test: Step-By-Step Guide