Shadow Of The Tomb Raider Failed To Initialize Steam Verified < 2K >

This is a stealthy cause that catches many players off guard. Modern antivirus software (including Windows Defender) is aggressive. It sees

The "Failed to initialize Steam" error means step one failed. The game cannot see your Steam client. Common root causes include: shadow of the tomb raider failed to initialize steam

Sometimes the Steam launcher gets confused. You can force the handshake by manually launching the game’s executable while Steam is running. This is a stealthy cause that catches many players off guard

It booted instantly. Also, someone mentioned disabling Steam Input – that helped a few others in the thread below. shadow of the tomb raider failed to initialize steam