If the file is missing or corrupted, your game launcher can fix it. This will not delete your saves.
For Steam:
For Epic Games Store:
Modern anti-virus software (including Windows Defender) often treats the game’s attempt to open a massive .000 file as suspicious behavior, similar to a ransomware attack. The AV will block access to the file, causing this exact error.
If verification doesn’t fix it, get a known good copy. shadow of the tomb raider unable to open bigfile.000
Believe it or not, Windows has a limit on how long a file path can be (260 characters). If you have installed the game deep inside a nest of folders, the game engine might not be able to "find" the file.
For example, avoid paths like:
D:\Games\Action Games\Tomb Raider Series\Shadow of the Tomb Raider\... If the file is missing or corrupted, your
The Fix: Move the game installation to the root of your drive or a primary folder.
This shortens the file path and often resolves read errors instantly. For Epic Games Store: Modern anti-virus software (including