This error generally indicates that the game engine cannot access its primary data archives, often due to file corruption, missing permissions, or storage conflicts.
A sudden power outage, system crash, or interrupted download can corrupt the data within bigfile.000 .
Aggressive antivirus software often blocks access to files over 2 GB, assuming they are hidden malware containers. Open your antivirus settings (e.g., Windows Security). Go to > Manage settings . Unable To Open Bigfile Bigfile.000
Confirm that your antivirus or Windows Defender hasn't quarantined the file. :
This specific error is highly common in titles developed or published by Square Enix, Crystal Dynamics, and Eidos, such as the Tomb Raider reboot trilogy ( Tomb Raider 2013 , Rise of the Tomb Raider , Shadow of the Tomb Raider ) and Deus Ex . This error generally indicates that the game engine
Open the and type Windows Security , then press Enter.
If prompted to schedule the scan on the next reboot, type Y and restart your PC. Technical Prevention Tips Open your antivirus settings (e
Bugs in older versions of Steam, Epic Games Launcher, or the game itself can trigger pathing errors. Step-by-Step Solutions to Fix the Error
To help narrow down the exact cause of your crash, please let me know: Which is throwing this error? Are you using Steam, Epic Games, or another launcher ?
Wait for the process to reach 100%. If Steam finds a discrepancy, it will automatically redownload the broken bigfile.000 file. Open the Epic Games Launcher and click on Library .