While, many reasons can cause League of Legends not opening on Windows 10, such as the corrupted League of Legends client options. Just as some users complain, when League of Legends launcher doesn’t open, they can do nothing but to find the League of Legends.exe and re-launch it again to see if LOL won’t launch error disappeared.

There are other answers below:

If League of Legends is not opening, there are many things that can cause this. Some users stated that updating their drivers, especially their GPU, did the trick. Others tried launching the game from alternative locations, and that worked as well. If all else fails, performing a full game repair or reinstall work when League of Legends won’t open.

On some PC systems, League of Legends is not opening because it requires more privileges. Running the game as an administrator can solve the problem if this is the case with you. All you need to do is right-click on the “LeagueClient” or …

According to users, League of Legends not opening can be caused by a few processes that are running in the background preventing the main game process. To fix this issue, you can disable all the running LOL processes from Task Manager.

League of Legends Client won’t open – when you open the game, it starts normally with a launcher dialog but when the launcher disappear there will be no client and an error will be shown ‘Client won’t open’. League of Legends doesn’t start- This is similar to first case, when you click on the game launcher nothing happens at all. It is the most common error which appears …

There is a possibility that your Firewall settings are preventing League of Legends from launching. A DNS issue can occur when you use the wrong DNS Settings. Errors can occur when League of Legends will not launch. It is possible that some application files got corrupted during installation. Table of contents.

The Launch Game Directly With The League Client Exe File You should try to open League of Legends as generically as possible when starting the game. By using the executable file of the game (lol), this can be accomplished.

One reason why you can’t sign in to League of Legends is because of issues regarding multiple instances. This means that either your account is logged on to another computer or your PC is already running another instance of League of Legends. Both issues might prevent you from getting into the game.

The League of Legends launcher uses server aliases that have problems connecting to some Internet Service Providers’ default Domain Name System resolver. If your launcher never seems to start downloading a patch, you may want to change to public DNS servers in your network settings.

Related Questions

Why is League of Legends not opening?

Read more If League of Legends is not opening, there are many things that can cause this. Some users stated that updating their drivers, especially their GPU, did the trick. Others tried launching the game from alternative locations, and that worked as well.

How do I fix League of Legends client won’t open?

Reinstall League of Legends. When League client won’t open, you can uninstall this game from your computer and then reinstall it to see if the issue is fixed.

Why can’t I play League of Legends on PC?

If League of Legends won’t launch on your PC, the issue might be background processes. According to users, sometimes certain League of Legends processes might be running in the background, and that can cause this issue to appear. However, you can fix the problem simply by disabling all League-related processes from Task Manager.

What to do if League of Legends won’t launch?

Save and launch League of Legends again. Once it opens, go back to your LoL folder > delete the LeagueClient.exe file. Save and go to your League install directory and run lol.launcher.exe. If LoL still won’t launch, try using the launcher called “lol.launcher.admin.exe” instead.