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Having a Ryzen 5 2600 confirms the exact root cause of your problem. Because the Ryzen 2600 belongs to AMD’s older Zen+ processor architecture, its built-in firmware TPM (fTPM) is locked forever at version 3.8.0.3. AMD never released a microcode update for 1000 or 2000-series processors to change that zero in the third digit, meaning Warzone's Ricochet anti-cheat will permanently block your CPU's native security module. [1, 2] Since updating your MSI B450 Tomahawk Max BIOS cannot fix this hardware limitation, you must use one of the two following workarounds to play the game: Fix 1: Buy a Dedicated 14-Pin Hardware TPM 2.0 Module (Cheapest) Instead of relying on the unpatchable fTPM inside your Ryzen 2600, you can plug a physical security chip directly into your motherboard. This bypasses the AMD architecture restrictions entirely. [1] Purchase a 14-Pin LPC Interface TPM 2.0 Module compatible with MSI boards (such as the MSI MS-4136 variant). These are widely available on sites like Amazon or eBay for roughly $10 to $15. [1, 2, 3] Shut down your PC, unplug the power cable, and open your side panel. Locate the JTPM1 slot along the very bottom edge of your MSI B450 Tomahawk Max motherboard (it is a small header pin cluster located right next to your USB and front panel headers). [1] Align the keyed gap on the physical module card and press it firmly onto the JTPM1 pins. [1] Turn on the PC and tap Delete to enter the BIOS. Go to Settings ➔ Advanced ➔ Trusted Computing. [1] Switch your TPM Device Selection from fTPM (AMD CPU) to dTPM (Discrete / Dedicated TPM). Save and exit (F10). [1] Windows will read the hardware chip instead of your CPU, clearing the error instantly. Fix 2: Upgrade to a Used Ryzen 3000 or 5000 Series CPU (Best Overall) Because your B450 Tomahawk Max is already updated to the latest BIOS version, it is fully primed to accept much newer AM4 processors out of the box. Upgrading your CPU completely resolves the firmware error and significantly boosts your Warzone FPS. [1]