If you are trying to launch Rise of the Tomb Raider and are met with a fatal error message stating "Unable to open bigfile000.tiger", you are likely experiencing a game-breaking initialization failure. This error essentially means the game executable cannot locate or read the core data files required to start the title screen.
While frustrating, this is almost always a file path or permission issue. Below is a breakdown of why this happens and how to fix it. rise of the tomb raider unable to open bigfile000 top
Windows Security → Virus & threat protection → Manage ransomware protection → Turn off Controlled folder access (or allow the game .exe). If you are trying to launch Rise of
This sounds unrelated, but outdated drivers can cause memory allocation errors. When the game tries to map bigfile.000 into your system RAM or VRAM, a driver bug can throw a "wrong version" error incorrectly. Windows Security → Virus & threat protection →