If verification fails repeatedly, you can force a clean replacement of the specific file. Go to the game folder and find bigfile.000.tiger Rename it to bigfile.000.old
typically indicates corrupted, missing, or permission-blocked game data files. Primary fixes include verifying game file integrity via Steam or Epic Games, renaming the file to force a re-download, and adjusting antivirus exclusions. For a detailed list of potential solutions, visit Steam Community unable to start game- bigfile bigfile.000! error Rise Of The Tomb Raider Unable To Open Bigfile.000