If bad sectors are reported on your drive, relocate the game to an alternative solid-state drive (SSD). If you want to keep troubleshooting, let me know:
Ensure your primary installation drive has at least 10–15 GB of free breathing room for asset caching.
Wait for the platform to detect the missing file and download a brand-new copy. 2. Configure Antivirus and Windows Defender Exceptions
: Your security software may be blocking the game from accessing its own files. Add an exception for the game's executable and its main installation folder .
: Right-click the game in your library > Properties > Installed Files > Verify integrity of game files . Rise Of The Tomb Raider Unable To Open Bigfile.000
If it is currently enabled, turn it to fall back to the stable DirectX 11 framework.
The file Bigfile.000 is the primary archive container for the game's assets (textures, models, audio). The error suggests the game engine cannot read this specific file due to one of three reasons:
The bigfile.000 error is frustrating, but it's almost always fixable with patience. Start with the simplest fix (verifying game files) and work your way up. Hopefully, one of these solutions will have you back in the Siberian wilderness with Lara in no time. Good luck!
If none of the above steps resolve the issue, you may need to reinstall the game. If bad sectors are reported on your drive,
Wait for the process to complete and download any repaired files. Open the Epic Games Launcher . Navigate to your Library . Click the three dots (...) next to Rise of the Tomb Raider. Click Manage , then click the Verify button. 2. Isolate and Force-Rewrite the File
The "Rise of the Tomb Raider Unable To Open Bigfile.000" error is a common frustration for PC players. This error typically occurs when the game client cannot access or read the primary data archives required to launch. It usually points to corrupted files, permission conflicts, or hardware instability. Quick Fixes Close the launcher completely. Run as Admin: Right-click the game executable. Check Disk Space: Ensure you have at least 5GB free. Core Troubleshooting Steps 1. Verify Game File Integrity
Rise of the Tomb Raider Unable To Open Bigfile.000: Fixes & Solutions (2026 Guide)
Navigate to your and locate Rise of the Tomb Raider . Right-click the game title and choose Properties . Move to the Installed Files (or Local Files) tab. Click Verify integrity of game files . : Right-click the game in your library >
Check to prevent window-switching memory leaks. Click Apply , click OK , and attempt a fresh launch.
Disable temporarily to see if the game launches. Update Virtual C++ Redistributables
When the error occurs, the user typically experiences the following:
Locate the Exclusions section and select . Click Add an exclusion , then choose Folder .