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.
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.
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Vanguard Codes
Error Code | Type | Cause |
|---|---|---|
| VAN -1 | Uninstall Failure | Vanguard doesn't appear to be installed properly. FULL GUIDE HERE. |
| VAN 0 | Connection Error | Possibly a program runtime issue re-triggering Vanguard authentication. FULL GUIDE HERE. |
| VAN 1 | Connection Error | Riot Client/LoL error. FULL GUIDE HERE. |
| VAN 6 | Connection Error | Riot Client/LoL error. FULL GUIDE HERE. |
| VAN 68 | Connection Error | Riot Client/LoL error. FULL GUIDE HERE. |
| VAN -81 | Connection Error | Possible installation error, some causes unknown. FULL GUIDE HERE. |
| VAN 84 | Connection Error | Riot Client/LoL error, possibly ISP issues. FULL GUIDE HERE. |
| VAN -102 | Connection Error | Possible installation error. FULL GUIDE HERE. |
| VAN -104 | Connection Error | Possible installation error. FULL GUIDE HERE. |
| VAN 128 | Connection Error | Often caused by several specific programs installed on the PC. FULL GUIDE HERE. |
| VAN 138 | Connection Error | Related to running LoL and Vanguard on a virtual machine. FULL GUIDE HERE. |
| VAN 152 | HWID Ban | The computer running LoL has been hardware-ID banned by Vanguard. FULL GUIDE HERE. |
| VAN 1067 | Connection Error | Sometimes caused by malware infecting your PC. FULL GUIDE HERE. |
| VAN 9001 | Windows BIOS Error | TPM 2.0 not enabled in Windows BIOS. FULL GUIDE HERE. |
| VAN 9002 | Windows Security Error | Windows Exploit Protection not enabled or not functioning. FULL GUIDE HERE. |
| VAN 9005 | Windows BIOS Error | UEFI and TPM 2.0 not enabled in Windows BIOS. FULL GUIDE HERE. |
| VAN 9006 | Windows Version Error | Windows version is outdated. FULL GUIDE HERE. |
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 our complete guide to LoL client errors.
