Solution 1: Enable TPM 2.0 and Secure Boot.Frequently Asked Questions about Valorant TPM 2.0 Error.What causes the error and how to fix it? MiniTool would tell you the answers in this post. When the Valorant TPM 2.0 error occurs, you will receive an error message stating “ this build of Vanguard requires TPM version 2.0 and secure boot to be enabled in order to play”.