Rise Of The Tomb Raider Unable To Open Bigfile.000 Jun 2026

This guide provides a comprehensive, step-by-step approach to fixing this error, ranked from the most common to more advanced solutions. What Causes "Unable to Open Bigfile.000"?

If you have installed mods, they could be the direct cause. A mod might replace core game files, especially bigfile.xxx.tiger files, and can be incompatible with your game version or other mods.

The most reliable long-term solution is to add an exclusion for the game's entire installation folder. This tells your security software to ignore everything inside that folder. The process varies by antivirus, but you typically add an exclusion by providing the folder path (e.g., C:\Program Files (x86)\Steam\steamapps\common\Rise of the Tomb Raider ). If you're using the built-in Windows Defender, you can add this exclusion through the Windows Security > Virus & threat protection > Manage settings > Exclusions menu.

This is a niche but effective fix for users who installed the game on a secondary or external hard drive. Sometimes, the game engine hard-codes a drive letter expectation (e.g., "D:") that changes after a reboot. Rise Of The Tomb Raider Unable To Open Bigfile.000

Locate the file named bigfile.000 (or similar sequential files like bigfile.000.tiger ). Right-click and choose .

: In-game overlays from Discord, NVIDIA GeForce Experience, or the Xbox Game Bar can sometimes cause conflicts. Try temporarily disabling them.

If you are trying to launch Lara Croft's Siberian adventure only to be stopped by a crash or a white window, you are likely dealing with a file system conflict. The error occurs when the game engine cannot read or initialize its core data archive. This guide outlines the exact troubleshooting steps required to resolve the issue and get your game running smoothly. What Causes the Bigfile.000 Error? A mod might replace core game files, especially bigfile

Have another fix that worked for you? Let us know in the comments below.

By verifying your game files and ensuring your installation path is free of complex characters, you should be able to return to exploring Siberia and uncovering ancient tombs in no time.

Work through these solutions in order. Fix #1 resolves the issue for approximately 60% of users. The process varies by antivirus, but you typically

The error in Rise of the Tomb Raider is a critical initialization failure that prevents Lara Croft's second modern adventure from launching. This error triggers when the Crystal Dynamics engine cannot read its monolithic archive file, known as bigfile.000.tiger . This specific file houses essential core assets, textures, and scripts required for the game to start up. When this asset pipeline is disrupted, the game instantly crashes back to the desktop or refuses to display a window entirely.

Your antivirus might be blocking the game from reading bigfile.000 . This is often because the file is large and contains many sub-files, which some scanning software processes as suspicious.

The game engine can trigger a deep-level rendering crash if it attempts to execute a bad DirectX layer configuration alongside asset mounting. Forcing a manual reset via the system Registry Editor can solve the crash.

If Steam or Epic Games file verification loops or reports no errors despite the game failing to launch, the metadata index of bigfile.000 may be damaged. Manually removing the file forces the launcher to perform a targeted clean download.