Target: 15.7% of cases
Rise of the Tomb Raider relies on specific runtimes to decode its archive files. If these are corrupted, the file system will fail.
If the software fixes above do not resolve the issue:
"Unable to open bigfile.000" Rise of the Tomb Raider typically indicates that
a critical archive file containing game assets is either missing, corrupted, or blocked by system permissions Core Causes File Corruption: bigfile.000.tiger
file is damaged or incomplete due to a failed download or disk error. Security Interference:
Antivirus software or Windows Defender may be flagging the file or the game executable as a false positive, preventing access. Permission Issues: Rise Of The Tomb Raider Unable To Open Bigfile.000
The game may lack the necessary administrator rights to read large data archives from the installation directory. System Constraints:
Low disk space on the drive where the game is installed can prevent the engine from properly accessing or unpacking large files. Resolution Steps Verify Game Integrity
This is the most effective fix. It scans for missing or corrupt files and redownloads them. Right-click the game in your library > Properties Installed Files Verify integrity of game files Epic Games: Click the three dots next to the game > Adjust Permissions and Compatibility
Running the game with elevated privileges can bypass file access blocks. Locate the game's file in the installation folder. Right-click it and select Properties Compatibility Run this program as an administrator Disable fullscreen optimizations Manage Antivirus Exceptions
Security software can sometimes block access to large "bigfile" archives.
Temporarily disable your antivirus to test if the game launches. If it works, add the Rise of the Tomb Raider installation folder to your antivirus exclusion list Rename and Redownload Target: 15
If verification fails repeatedly, you can force a clean replacement of the specific file. Go to the game folder and find bigfile.000.tiger Rename it to bigfile.000.old
Run the "Verify Integrity" tool again; it will detect the "missing" file and download a fresh, uncorrupted copy. Update Drivers and System
Ensure your graphics drivers and Windows are up to date, as outdated system files can cause read/write errors with large archives. Update your graphics drivers Device Manager or the manufacturer's software. Check for pending Windows Updates
If none of the above steps resolve the issue, you may need to reinstall the game.
Conclusion
The Bigfile.000 error in Rise of the Tomb Raider can be frustrating, but it's usually resolvable by following the troubleshooting steps outlined above. By verifying game files, checking file permissions, resolving disk errors, and updating drivers and Windows, you should be able to resolve the issue and enjoy the game. If you're still experiencing problems, you may want to consider reaching out to the game's support team or a professional gamer community for further assistance. Resolution Steps Verify Game Integrity This is the
The error "Unable to Open Bigfile.000" in Rise of the Tomb Raider
typically indicates a corrupted installation file, a conflict with your security software, or a lack of system resources during the loading process. Primary Fixes
Verify Game Integrity: This is the most common and effective solution. It forces your launcher to scan for missing or damaged parts of the bigfile.000 and redownload them.
Steam: Right-click the game in your Library > Properties > Installed Files > Verify integrity of game files.
Epic Games: Go to your Library, click the three dots on the game tile, and select Manage > Verify.
Check Disk Space & Memory: This error can be triggered if your drive is full or your PC runs out of RAM while trying to unpack the large archive file. Ensure you have at least several gigabytes of free space on your installation drive.
Add Antivirus Exclusions: Security software often flags these large .tiger or .000 files as false positives, blocking the game from accessing them. Add your entire game installation folder to the Exclusion/Exceptions list in Windows Defender or your third-party antivirus. Advanced Troubleshooting