Shadow Of The Tomb Raider Failed To Initialize Steam May 2026

I kept getting the “Failed to initialize Steam” error on launch. Here’s what actually worked for me after 2 hours of trying.

“Step 1: Close Steam completely”

Update: If you have RivaTuner Statistics Server (RTSS), close it too. That caused the error for some. [0:00] Host: “Getting the ‘Failed to initialize Steam’ error in Shadow of the Tomb Raider? Don’t reinstall the game yet.” shadow of the tomb raider failed to initialize steam

You see a pop-up error: “Failed to initialize Steam. Are you running Steam?” even though Steam is open.

Title: Fix: Shadow of the Tomb Raider “Failed to Initialize Steam” Error I kept getting the “Failed to initialize Steam”

“Step 2: Delete the ‘appcache’ folder” Host: “Go to your Steam install folder – usually Program Files x86 – Steam. Find the folder named appcache and delete it.”

The “Failed to initialize Steam” error in Shadow of the Tomb Raider typically appears right after you click “Play” on Steam or try to launch the game from its desktop shortcut. This error means the game cannot communicate with the Steam client, even though Steam is running. Below are proven fixes, from quick workarounds to deeper system solutions. That caused the error for some

“Step 3: Run Steam as Administrator” Host: “Now right-click Steam.exe, choose ‘Run as administrator’. This gives the game permission to connect.”