Shadow Of The Tomb Raider Unable To Open Bigfile.000 [ 360p 2026 ]
Sometimes, conflicting cached data triggers the error.
Before you re-download the game, try these solutions in order. Most users solve the problem at Step 1.
To avoid this error in the future:
Once you confirm the antivirus is the culprit, you need to tell it to ignore the game folder.
The "Unable to open bigfile.000" error is a classic case of security software getting in the way of gaming. In 90% of cases, simply running the game as an Administrator or adding the game folder to your antivirus exclusions will get Lara back in action.
Have a different fix that worked for you? Let me know in the comments below. Happy tomb raiding! shadow of the tomb raider unable to open bigfile.000
Dealing with the "Unable to open bigfile.000" error in Shadow of the Tomb Raider can be incredibly frustrating, especially when it prevents you from even reaching the main menu. This specific error typically points to issues with the game’s core data archives, often caused by file corruption, insufficient disk space, or permission conflicts.
Below is a comprehensive guide to troubleshooting and fixing this error so you can get back to Lara Croft’s final adventure. 1. Verify Game File Integrity (The Most Effective Fix)
The most common cause of the "bigfile.000" error is a corrupted or missing game file. Both Steam and Epic Games have built-in tools to detect and repair these files.
Steam: Open your Library, right-click on Shadow of the Tomb Raider, and select Properties. Under the Installed Files tab, click Verify integrity of game files.
Epic Games Launcher: Find the game in your Library, click the three dots (...), and select Manage, then click Verify. 2. Check for Sufficient Disk Space and RAM Sometimes, conflicting cached data triggers the error
The "bigfile" error is often a side effect of the game failing to read large chunks of data into memory.
Disk Space: Ensure you have at least 10-15GB of free space on the drive where the game is installed. Large archive files need "breathing room" for temporary data extraction.
Virtual Memory: If your PC is low on RAM, the game may struggle to open these massive files. You can try increasing your Windows Page File size or closing background applications like Chrome or Discord to free up memory. 3. Permissions and Admin Rights
Sometimes, Windows prevents the game from accessing its own files due to security settings.
Run as Administrator: Navigate to the game’s installation folder. Right-click the SOTR.exe file, select Properties, go to the Compatibility tab, and check Run this program as an administrator. Select the entire game folder and confirm
OneDrive Conflicts: If your "Documents" folder is synced to OneDrive, it can sometimes lock the game's save or configuration files. Try disabling OneDrive temporarily or ensuring it is fully synced before launching the game. 4. Advanced: Forced Re-download of the Specific File
If verifying the files doesn't work, the corruption might be "stuck." You can force the launcher to re-download the problematic file. How to FIX Shadow of the Tomb Raider Crashing
Outdated graphics drivers can cause issues with the game. Update your graphics drivers to the latest version:
If the file isn't being blocked by antivirus, it might simply be corrupted or missing a few bytes of data. Steam and Epic have built-in tools to fix this without a full re-download.
For Epic Games Store Users:
Sometimes the game lacks permission to read bigfile.000.
SOTTR.exe → Properties → Compatibility tab.Alternatively, ensure the game folder isn’t set to Read-only. Right-click the game folder → Properties → uncheck “Read-only” → Apply to all subfolders.