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Its one of the few games people have played year after year.
And its free without any secret pay-for-win algorithm, which plagues most such games.
So I understand how annoying it must be when you try and see its not opening.
Yet, my will prevailed (but not without my colleagues assistance).
So, join me as I tell you what worked and what didnt.
kindly note your issue can be different, and you should try every fix listed here.
Use the Installation Directory
This step mainly troubleshoots a faulty Riot client.
You should start with closing all the Riot and League-related tasks.
For this, you could initiate the Task Manager by enteringtaskmgrin the Windows Run (+R).
Afterward, get intoDetails, scroll down, and find the League processes.
Here, selectLeagueClient.exe, right-click, and clickEnd process treeto close all at once.
Similarly, scroll down to find Riot-related tasks and the end process tree associated withRiotClientServices.exe.
It should solve most surface-level problems.
The potential reason can be our ISPs have many users sharing the same IP addresses.
Therefore, try using one and see if the problem persists.
Besides Proton, you’re able to also tryExpressVPN,NordVPN,Surfshark, etc.
So, this particularantivirusprogram has this Advanced Threat Defence, which was apparently restricting some users from playing League.
Update (or Rollback) OS
This solution is given by the Leagues developers themselves.
Additionally, this is valid for both Windows and Mac.
While this might be temporary, try playing this on a previous version of your respective operating systems.
Uninstall/Reinstall
This usually fixes many errors if done correctly.
Importantly, run an advanced scan within Revo Uninstaller after uninstalling to delete any remnants.
The process is very simple, and the scan option will pop up after the uninstall completes.
So you would be uninstalling the game itself.
like remember it would also delete any other Riot games you might have installed via this client.
Finally, install it again and peek if youre out of this misery.
Wrap up!
I guess you shouldnt be reading now.
But if youre still here and not already playing, thats not good news.
Still, I have one more fix for you.
One Redditor reported contacting Riot support and getting a modified Riot client, which fixed it for good.
