: For "Archive header mismatch" errors during startup, ensure your NVIDIA or AMD drivers are up to date, as some bigfile errors are actually related to how the game initializes the engine. For Steam/Official Versions
This method works if the corruption is limited to a header or a small section, not total file annihilation. bigfile000tiger tomb raider error repack
For tech-savvy users: If none of the above works, you can extract the contents of a corrupted bigfile000.tiger and rebuild it. : For "Archive header mismatch" errors during startup,
: Some users report that disabling DirectX 12 in the game's launcher settings bypasses "Failed to open bigfile" crashes on startup. : Some users report that disabling DirectX 12
The initial repack files (RAR/ZIP) were not downloaded completely, causing CRC errors during extraction.
Right-click the game in your library, go to Properties > Local Files , and click "Verify Integrity of Game Files" . 2. Manage Antivirus and Firewall Exceptions
Under the tab, click Settings in the Performance section.
