Fix League of Legends Failed To Launch Error After Update | Riot Client Not Opening

Опубликовано: 13 Май 2026
на канале: NeQ GameFixer
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League of Legends is not launching after the latest update?
When you click Update and then Play, the game crashes with the error “League of Legends Failed To Launch”? This problem usually happens due to wrong compatibility settings, registry conflicts, or permission issues with Riot Client on Windows 11 or Windows 10.

In this video, you will learn how to fix the League of Legends failed to launch error after update using safe Windows registry changes and proper game EXE compatibility settings. This method works for Riot Client crash on launch, League of Legends not opening, and League of Legends crashing after update problems.

This guide covers:

How to fix League of Legends failed to launch after update

Riot Client crash on Play button

League of Legends not opening on Windows 11 and Windows 10

Fix League of Legends compatibility and admin permission errors

Safe registry fix for Riot Client launch issues

If League of Legends is crashing when you click Play, follow all steps in the video and restart your PC after applying the fix.

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🔧 Official Tools Links (Safe & Trusted)

Riot Client Official Download
https://www.riotgames.com/en

League of Legends Official Support Page
https://support-leagueoflegends.riotg...

Microsoft Registry Editor Info (Official Guide)
https://learn.microsoft.com/en-us/win...

💻 Commands Used in Video (For Description & Pinned Comment)

Open Registry Editor

regedit


Registry Path

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers

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