If the League of Legends client freezes after a match, try these steps: 1. Restart the client via Task Manager. 2. Clear shader cache in the Logs folder. 3. Enable windowed mode in settings. 4. Update or reinstall graphics drivers. 5. Increase max_memory in system.yaml.

If the League of Legends client freezes after a match ends, you can try these proven methods to restore functionality and continue playing.

The operating environment of this tutorial: Dell XPS 15, Windows 11

1. Restart the League Client via Task Manager

This method forces the unresponsive client to close and restarts it cleanly, which often resolves temporary glitches caused by post-match resource overloads.

• Press Ctrl Shift Esc to open Task Manager directly.
• Look for any process named LeagueClient.exe or Riot Client Services.
• Select each one and click “End Task” to terminate them completely.
• Reopen the Riot Client from the desktop shortcut or start menu.

2. Clear the Client’s Shader Cache

Corrupted or overloaded shader files can cause the client to hang after returning from in-game rendering. Clearing the cache forces a refresh of these assets.

• Navigate to C:\Riot Games\League of Legends\Logs\ShaderCache.
• Delete all files and folders inside the ShaderCache directory.
• If access is denied, right-click File Explorer and choose “Run as administrator”.
• Restart the League client to allow it to regenerate necessary files.

3. Run the Client in Windowed Mode

Fullscreen mode can conflict with display drivers after returning from gameplay. Switching to windowed mode reduces graphical layer conflicts.

• Open the Riot Client and go to Settings (gear icon in the bottom-left).
• Under “Game” settings, locate the “Launch Settings” section.
• Enable Launch in windowed mode.
• Apply changes, restart the client, and launch a match to test stability afterward.

4. Update or Reinstall Graphics Drivers

Outdated GPU drivers are a common cause of post-game freezes. Ensuring your graphics software is up to date resolves compatibility issues with the client’s rendering engine.

• Press Windows X and select “Device Manager”.
• Expand “Display adapters”, right-click your GPU, and choose “Update driver”.
• Select “Search automatically for updated driver software”.
• If no update is found, visit the manufacturer’s website (e.g., NVIDIA, AMD, Intel) and download the latest version manually.
• For persistent issues, use Display Driver Uninstaller (DDU) in Safe Mode to perform a clean reinstall.

5. Modify Client Configuration Files

Adjusting specific settings in the client’s configuration can prevent memory overflow that leads to unresponsiveness after high-intensity matches.

• Go to C:\Riot Games\League of Legends\system.yaml.
• Open the file with Notepad and locate the line containing max_memory: 4096.
• Increase the value to 8192 if you have 16GB or more RAM.
• Save the file and ensure it’s not set to read-only.
• Restart the client and test after your next game.

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