When launching League of Legends, you might sometimes see Vanguard error codes (VAN codes). This usually means your settings are clashing with Riot Vanguard. There are many error codes, and each symbolizes different malfunctions. Hence, decoding their meaning and rectifying their issues will ensure you have a smooth League of Legends Vanguard experience.This article takes a look at each error code in League of Legends Vanguard and their possible fixes.All Vanguard error codes in League of Legends and their possible fixesThe arrival of Vanguard on League of Legends patch 14.9 has ushered in a plethora of error codes that have left the players scratching their heads. However, knowing about specific Vanguard error codes and implementing possible fixes can be pretty straightforward.Here are all the Vanguard error codes and their possible solutions:VAN -1Meaning/Reason: Uninstall FailurePossible fix: Reinstall Vanguard.VAN 0Meaning/Reason: Connection ErrorPossible fix: Restart LoL and the Riot Client.VAN 1Meaning/Reason: Connection ErrorPossible fix: Restart LoL and the Riot Client.VAN 6Meaning/Reason: Connection ErrorPossible fix: Restart LoL and the Riot Client.VAN 68Meaning/Reason: Connection ErrorPossible fix: Restart LoL and the Riot Client; check the network connection.VAN -81Meaning/Reason: Connection ErrorPossible fix: Restart the PC and the Riot Client (uninstall and reinstall both LoL and Vanguard if the problem is not fixed.)VAN 84Meaning/Reason: Connection ErrorPossible fix: Restart LoL and the Riot Client; check the network connection.VAN -102Meaning/Reason: Connection ErrorPossible fix: Restart the PC and the Riot Client (uninstall and reinstall both LoL and Vanguard if the problem is not fixed.)VAN -104Meaning/Reason: Connection ErrorPossible fix: Restart the PC and the Riot Client (uninstall and reinstall both LoL and Vanguard if the problem is not fixed.)VAN 128Meaning/Reason: Connection ErrorPossible fix: Restart the PC and the Riot Client (uninstall and reinstall both LoL and Vanguard if the problem is not fixed.) Troubleshooting guide: VAN 128.VAN 138Meaning/Reason: Connection ErrorPossible fix: Install Vanguard and LoL on a physical Windows instance rather than a virtual one.VAN 152Meaning/Reason: HWID BanPossible fix: Hardware ban.VAN 1067Meaning/Reason: Connection ErrorPossible fix: Restart the PC and the Riot Client. This error typically occurs when the computer has malware or unusual software installed.VAN9001Meaning/Reason: TPM (Trusted Platform Module) 2.0 is disabledPossible fix: The Windows 11 version needs to support TPM 2.0. Troubleshooting guide: VAN9001.VAN9002Meaning/Reason: Exploit Protection is disabledPossible fix: Enable the Exploit Protection.VAN9005Meaning/Reason: This Vanguard version requires TPM version 2.0 and UEFI-compliant firmwarePossible fix: Change the BIOS mode to UEFI and enable TPM 2.0. Troubleshooting guide: VAN9005.VAN9006Meaning/Reason: Windows version not supported by VanguardPossible fix: Update the Windows version to Version 1803 or later.Update from Riot on Vanguard byu/RiotK3o inleagueoflegendsThere could be many causes leading to these Vanguard error codes popping up in League of Legends. Though some solutions have been proposed, they may not prove effective in all cases.Therefore, if the errors continue to haunt you, you can always submit a ticket to the official Riot Games support team.That concludes this guide on Vanguard error codes in League of Legends. If you like the game, consider reading our other articles:The history of the game: Successes, failures, and everything in between5 tips for new LoL players looking to go professionalIs League of Legends worth playing in 2023?