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We’ve got the solution to every Vanguard error in LoL, ready for you to use.

Vanguard, Riot Games' anti-cheat, can cause all sorts of problems with League of Legends, so we’ve compiled every Vanguard error and their fixes.

Nicholas James

Riot Games has recently brought Vanguard, their kernel-level anti-cheat program, to League of Legends. It’s been in VALORANT since the game’s inception, but has only recently made it into League of Legends. It’s brought with it a boatload of possible errors that can stop fans from even logging in to LoL. Here’s a comprehensive list of every Vanguard error we know of in Riot’s hit MOBA, and how to fix it.

Every Vanguard error and their solutions

Here’s a full list of all the most common and well-documented Vanguard errors. Most tend to fall into three categories, an installation issue, a connection error, or something related to Windows settings. Below is all of the error codes categorized by code, type, and cause, along with links to in-depth errors for every code you could encounter.

Vanguard Codes

Here’s your complete guide to every Vanguard error in League of Legends. If you’re still getting non-Vanguard-related errors with the League of Legends client, check out ourcomplete guide to LoL client errors.

League of Legends

Every Vanguard error for League of Legends and how to fix them cover image

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