League of Legends 15.10 Patch Locked My CPU and Caused Vanguard Errors

May 14, 3:45 pm
11

After installing the League of Legends 15.10 patch on May 13, 2025, the game has become practically unplayable for me. During the loading screen, my CPU usage spikes and locks up, making everything freeze. On top of that, the client becomes painfully slow, and when the game finally starts, I’m hit with multiple Vanguard error messages that weren’t there before.

To make things worse, the patch reset all my previous client settings without warning. This isn’t the first time I’ve had issues—it feels like every new patch introduces a different technical problem. I spend more time troubleshooting than actually playing.

Riot Games, I’m asking for a permanent and effective solution. Please investigate why this patch is causing CPU overloads and compatibility issues with Vanguard. Fix the client performance and make sure settings are preserved during updates. I want to enjoy the game—not fight with it after every patch.

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