This often happens after a Windows update, a game patch, or if you have recently moved your installation to a new drive. The game tries to read the profile, gets denied access by your system, and defaults to an error message.
Fortunately, this is usually a file permission or sync issue rather than a corrupted save. Here is a step-by-step guide to getting Lara back in action. shadow of the tomb raider failed to load profile
Sometimes the local config file gets stuck. Forcing the game to re-download it from the cloud can fix the load error. This often happens after a Windows update, a