Shadow Of The Tomb Raider Unable To Open Bigfile.000 [Deluxe – 2024]

Facing the "unable to open bigfile.000" Shadow of the Tomb Raider

often feels like a brick wall, but it is typically a symptom of one of three things:

data corruption, permission conflicts, or a hardware communication hiccup

Here is a deep dive into the most effective solutions gathered from community experts and technical logs. 1. The "Nuclear" Validation Method Standard file verification often skips over files it

are fine. To force a true refresh, you must manually intervene: Locate the Files : Navigate to your game installation folder (e.g., SteamLibrary/steamapps/common/Shadow of the Tomb Raider Delete the Culprits bigfile.000.tiger bigfile.011.tiger and delete them. Verify Integrity

: Return to your library (Steam/Epic), right-click the game, and select Verify Integrity of Game Files

. The launcher will see they are missing and download fresh, clean versions. 2. Bypass Permission & Security Blocks Windows Defender or third-party antivirus software like Bitdefender often flags these massive

files as suspicious or locks them during the game's startup sequence. Whitelist the Folder

: Add the entire game folder as an exception in your antivirus settings. Run as Admin : Right-click your game's file, go to Properties > Compatibility , and check Run this program as an administrator Disable Fullscreen Optimizations : While in the Compatibility tab, check Disable full-screen optimizations shadow of the tomb raider unable to open bigfile.000

, which has solved launch-related file errors for many users. 3. Address "Bitrot" and Drive Issues

If the error persists after a reinstall, your drive might be struggling to read that specific physical sector. Move the Install

: Use the built-in "Move Install Folder" tool in Steam to shift the game to a different drive (ideally an SSD). This forces the OS to rewrite the data to healthy sectors. Check Disk Space : Ensure you have at least 15–20GB of

free space beyond the install size. The engine often requires a large "swap" space for unpacking these bigfiles during runtime. 4. Epic Games Specific Fix: Clear the Webcache If you are playing the Epic Games Store

version, the launcher's own cache can cause "black screen" or bigfile errors: Close Epic Games completely. %localappdata% , and navigate to EpicGamesLauncher/Saved/ Delete the folder and restart the launcher.

Are you seeing a specific "Disk Write Error" message along with the bigfile notification, or does the game simply crash to desktop?

Providing this detail can help pinpoint if the issue is your drive's health Windows permission

Fixing the "Unable to Open Bigfile.000" Error in Shadow of the Tomb Raider Facing the "unable to open bigfile

Shadow of the Tomb Raider, the final installment of the Tomb Raider reboot trilogy, has received widespread critical acclaim for its engaging storyline, improved gameplay, and stunning visuals. However, some players have been encountering a frustrating error that prevents them from enjoying the game: the "Unable to Open Bigfile.000" error.

In this post, we'll explore the causes of this error and provide step-by-step solutions to help you get past this issue and back into the game.

What Causes the "Unable to Open Bigfile.000" Error?

The "Unable to Open Bigfile.000" error typically occurs when the game is unable to access or read the game's data files, specifically the bigfile.000 file. This file contains essential game data, and without it, the game cannot proceed.

The error can be caused by various factors, including:

• Corrupted game files
• Insufficient disk space
• Outdated graphics drivers
• Conflicting software or mods
• Incorrect game installation

Solutions to Fix the "Unable to Open Bigfile.000" Error

Don't worry; we've got you covered. Try these solutions to fix the error:

Method 6: Reinstall the Game on a Different Drive (Hard Drive vs. SSD)

If your hard drive has bad sectors, the bigfile.000 archive may become corrupted every time you try to install or verify it. Solutions to Fix the "Unable to Open Bigfile

• Check drive health: Use a tool like CrystalDiskInfo to see if your drive has reallocated sectors.
• Move the game: In Steam, you can move the installation folder:
  • Right-click Shadow of the Tomb Raider > Properties > Installed Files > Move Install Folder.
  • Choose a different physical drive (e.g., move from C: to D:). This forces a fresh write of the bigfile archive.

Fix 1: The Antivirus Exception

Since this is the most frequent culprit, start here.

1. Open your Antivirus software (Windows Security, McAfee, Norton, Bitdefender, etc.).
2. Navigate to Protection History or Quarantined Items.
3. Look for a file named bigfile.000 or SOTTR.exe. If found, restore it.
4. Now, add an exclusion/whitelist rule:
   • Go to Virus & threat protection settings → Add or remove exclusions.
   • Exclude the entire Shadow of the Tomb Raider installation folder (e.g., D:\SteamLibrary\steamapps\common\Shadow of the Tomb Raider).
   • Also exclude the process: SOTTR.exe.
5. Restart your PC and launch the game.

User-facing Messaging

• Clear, non-technical error dialog with:
  • Short explanation: which file failed and why (missing, corrupt, locked, permission, disk full).
  • Severity level (info/warning/error).
  • Recommended one-click repair options and an advanced troubleshooting link.

3. Temporarily Disable Antivirus / Add Exclusions

Antivirus (including Windows Defender) may quarantine or block access to .000 files.

• Temporarily disable real-time protection and test.
• If it works, add the game’s folder to your antivirus exclusions:
  • Windows Defender: Virus & threat protection → Manage settings → Exclusions → Add folder.
  • Path example: C:\Program Files (x86)\Steam\steamapps\common\Shadow of the Tomb Raider

Solution 1: Verify Game File Integrity (The Most Likely Fix)

If the file is corrupted—perhaps due to a bad download or a sudden system crash—Steam or the Epic Games Store can fix it automatically.

For Steam Users:

1. Open Steam and go to your Library.
2. Right-click on Shadow of the Tomb Raider and select Properties.
3. Click on the Installed Files tab (or "Local Files" in older Steam versions).
4. Click Verify Integrity of Game Files.
5. Let the process run. If Steam finds that bigfile.000 is missing or corrupted, it will re-download it.

For Epic Games Launcher Users:

1. Open the Epic Games Launcher.
2. Go to your Library.
3. Find the game and click the three dots (...) next to the title.
4. Select Verify.

Once finished, try launching the game.

1. Run the Game as an Administrator (The #1 Fix)

This is the classic Windows permission problem. The game is trying to read a large system file but doesn’t have the authority to do so.

• Navigate to your game installation folder (e.g., C:\Program Files (x86)\Steam\steamapps\common\Shadow of the Tomb Raider).
• Right-click on SOTTR.exe (or the main launcher).
• Select Properties.
• Go to the Compatibility tab.
• Check the box that says "Run this program as an administrator."
• Click OK.
• Launch the game again.