League of Legends: "Repairing Game Files" error. Solution

Last update: 19/01/2026

  • The message “Repairing Game Files” indicates damaged or inconsistent files in the League of Legends installation.
  • Cleaning up residual folders in ProgramData and rebuilding files from the Riot Client reduces repair loops.
  • After repairing, leaving the client open for a few minutes and using the Practice Tool helps regenerate key files.
League of Legends error Repairing Game Files

You may have come across this before while playing League of Legends: “Repairing Game Files” error. Sometimes, the error occurs in the middle of a game, without you having touched anything, leaving you completely bewildered.

This problem, which used to be fairly isolated, has become increasingly frequent This message has appeared in recent patches and affects players on all types of systems, from modest PCs to powerful machines. This guide provides a clear explanation of what this message actually means, why it appears, and, most importantly, how to apply an advanced solution that many players have been using for years to stop seeing the annoying text… at least for a while.

What is the “Repairing Game Files” error in League of Legends?

When the customer of League of Legends displays the warning “Repairing game files” basically tells you that it has detected damaged or inconsistent files. within the game installation. Riot's own system attempts to correct them by re-downloading what's needed.

The problem is that, in many cases, This automatic repair process gets stuck in a loop, freezes, or restarts every time you try to play.It can even appear right after a match, upon returning to the client, or in the middle of the matchmaking queue.

Furthermore, some players comment that, although the client appears to complete the repair, The error reappears after the next patch or even after restarting the PC.In other words, standard repairs don't always solve the real source of the problem, which is usually found in duplicate folders, remnants of old installations, or client files that are not regenerated correctly.

That's why a somewhat more aggressive, but very effective, method has become increasingly popular, which It forces the Riot Client to rebuild a large part of the League of Legends installation from scratch.keeping only the essential folders.

League of Legends: "Repairing Game Files" error

Important warnings before applying the solution

Before we get down to business, it's essential to understand that This procedure is not a magic solution for every League of Legends problem.It is specifically designed for the case where you see the "repairing game files" window or notification.

If the customer isn't showing you that message, Applying this solution will not benefit you at all. And you'll just waste time downloading the game files again. Keep this in mind so you don't mess things up unnecessarily.

Another key point is that, although the method works very well, It's not a permanent fix, but a solution that usually lasts for one or two patches.Many players report that the client remains stable for at least one full game update, sometimes even longer, but sooner or later Riot changes things and the bug may reappear.

For all these reasons, it is also recommended to consider a preliminary step: If you've never done a clean reinstall of League of Legends, now might be a good time to consider it.A completely new installation, eliminating old remnants, often significantly reduces these types of recurring problems.

Check the game status before touching anything

One of the most common mistakes when the "repairing game files" message appears is acting hastily. If you have seen this warning while you were in a game or right after a connection dropThe first thing you should do is make sure that the meeting has ended properly.

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Before shutting everything down haphazardly, it's advisable confirm that the game has ended or has been remade (The typical game that restarts because someone doesn't connect at the beginning). If you exit and start deleting things while the system thinks you're still in the game, you can cause additional errors.

To check this, you don't need to be able to log into the client. You can use statistics websites like u.gg or op.gg, where you can see if your last game appears as completedSimply enter your summoner name and review the history.

Once you're sure the game is over, you can proceed with the remaining steps with much more peace of mind, knowing that You're not going to interfere in a meeting that's still in progress. nor to cause penalties for abandonment due to the repair.

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Completely stop Riot Client and League of Legends

Before messing with the game folders, it is essential that The Riot Client and any processes related to League of Legends are completely shut down.If you try to delete or modify files while the client is still active, it's quite likely that something will go wrong or the system itself will lock the files again. You need to do the following:

  1. Close the client normally, by pressing the X or using the exit option.
  2. Make sure that There are no background processes left in the Task ManagerOn Windows, you can open it with Ctrl + Shift + Esc or by right-clicking on the taskbar.
  3. Within Task Manager, check the Processes and Details tabs and look for any items related to “Riot Client”, “League of Legends” or similar launcher processesIf you see any active tasks, right-click and choose "End task".

The idea is that, when you move on to the next point, Ensure no instances of the client are blocking files within ProgramData or the game folder itself.Only in this way can you ensure that what you delete or modify is done cleanly.

Clean up ProgramData folders related to League of Legends

Once you've ensured the client is completely offline, it's time to tackle one of the parts that usually causes the most problems: the hidden ProgramData folders where Riot stores installation informationIn many cases, repair errors are due to remnants of older versions mixed with the current installation.

To access, open the Windows File Explorer and enter the drive where you have the system, which is usually unit C:There you'll see, if it's visible, a folder called ProgramData. If you can't find it, you'll have to enable the display of hidden files and folders from the Explorer View options or from the folder settings.

Once you're inside ProgramData, look for the folder called “Riot Games” and open it to see its contentThis is where residual directories often appear that are no longer in use, but which the client still detects or conflicts with.

Specifically, you want to locate and delete any folders with names like “install league of legends”, “old league of legends”, or “new league of legends”. These usually correspond to previous installations, migrations to the new client, or other processes that have left behind junk files. You can delete all folders except one: the one named “League of Legends”.

LoL folders

Delete files from the main game folder without touching subfolders

The next step is a bit more delicate, because you're going to go directly into the League of Legends installation on your hard drive. What we're looking for here is... force the system to regenerate the client's key executables and filesforcing the Riot Client to rebuild them through the official repair.

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Locate the path where you installed the game. It's usually something like C:\Riot Games\League of Legends or within Program Files, depending on where you left it by default or if you changed the folder during installation.

Once inside that main folder, the goal is Delete all loose files, leaving only the folders intact.In other words, if you see subfolders (for example, Config, Logs, or similar), those stay; what goes out are all the elements that are files, including executables.

This means you'll also be removing the LeagueClient.exe and any other .exe files related to the game clientThat's precisely the intention: that the system will have to rebuild them later through repair.

At the end of the process, in that main League of Legends folder Only directories should remain, without any loose files.If you're unsure about something, double-check that what you're deleting isn't a folder. You can sort by type to make it easier and ensure you don't accidentally delete any subfolders.

Use the Riot Client to repair the installation from scratch.

Once you've cleaned up ProgramData and left only the League of Legends folder with its subfolders, it's time to let Let the Riot Client itself do its deep repair workThis is precisely where this method differs from the standard repair process.

Instead of trying to open LeagueClient directly (which you have, in fact, deleted), you should launch the general Riot ClientThe launcher is where all your installed Riot games appear. You'll usually have a shortcut on your desktop or be able to search for "Riot Client" in the Start menu.

When the Riot Client opens, go to the icon or the section of League of Legends and go to the Settings or Configuration section within the launcher itself. There you will find the option to repair the game.

In the settings menu, locate the section for League of Legends and tap on it. “Repair” or “Reparar” so that the customer can begin scanning the installationSince you have deleted all the executable files and a large part of the key files, the process will detect that many elements are missing and will start downloading them again.

This analysis and repair can take a while, depending on the speed of your connection and the number of files it has to rebuildThe important thing is not to interrupt him and let him finish completely, even if he seems to be a little slow.

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Resume the League of Legends download in the Riot Client

When the repair is complete within the settings section, the Riot Client will often display League of Legends as Pending completion of installation, update or resume downloadThis is normal, because it still lacks parts of the game that are managed as if it were a patch or installation.

Go to the League of Legends page within the Riot Client, where the game's information appears, and Press the “Resume” or “Resume” buttonIn this way, the launcher will complete the download of any missing components and adjust the version to that of the latest available patch.

Again, it's essential to have some patience, because The download may be large if many things have changed since your last stable update.Avoid closing the Riot Client or turning off your PC until the process is complete.

When the game status changes to "Ready to Play" or similar, you'll have it back. The League client rebuilt from the clean files generated by RiotIn theory, at this point the "repairing game files" error should have disappeared.

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However, there is one last important detail: the first time you open it after this whole process, It's advisable not to jump headfirst into the qualifying queue.but let the customer finish settling in.

First boot: Leave the client open and check key files

With the game now reinstalled via the Riot Client, it's time for the first launch after the deep repair. Always open League of Legends from the official launcher. without attempting to use old shortcuts that might point to obsolete paths or executables that no longer exist.

When the League client opens, the best thing to do is Do not touch anything for a few minutes and simply leave it on the initial screen.where you see your profile, the store, or the usual tabs. Many players recommend waiting around 10 minutes.

This time is used for the client It finishes generating temporary files, internal configurations, and other files that are not downloaded as part of the patch, but are created at startup.It's a little trick to prevent something from being left unfinished again.

After that time, you can reopen the League of Legends installation folder and Check if certain executable files or specific components have appeared These files are often missing when the repair error is causing problems. Although the original guide references two specific files with screenshots, the general idea is that you should see that the client has regenerated key executables and libraries.

If everything looks good and the folder is full of files again (in addition to the subfolders you kept), it's a good sign that The repair has done its job and the game structure is back to normal..

What to do if the client still does not generate all the files

It may happen that, even after waiting those 10-30 minutes with the client open, you get the feeling that either files are missing or the system hasn't finished rebuilding everythingIn that case, there is an additional step that usually unlocks the situation.

The usual recommendation is to start a game in Practice ToolThis is the fastest and safest way to test things without affecting ranked matches or other players. You simply log in, choose any champion, and single-handedly win the game.

When you exit that practice game, it's quite common for the client to display the message again. “repairing your files” for a few moments while it adjusts the final detailsUnlike the initial situation, here it is part of the normal regeneration process.

After that minor repair related to the practice game, most users comment that The error stops occurring repeatedly and the customer behaves normally in the following startups and immediate updates.

From that moment on, you can start playing your usual modes, always keeping in mind that This type of fix usually lasts for at least one full patch, and in many cases, one or two more. before any similar discomfort reappears.

With all of the above, you should now have a very complete overview of What does the "Repairing Game Files" error mean in League of Legends, what causes it, and how to apply a step-by-step method to keep the client stable across multiple patches?By following these instructions in detail, you greatly reduce the chances of seeing that message again just when you're most eager to get into the Rift.