The error message "Unable to open bigfile bigfile000 updated"
typically occurs in games developed by Crystal Dynamics or Eidos-Montréal, most commonly Shadow of the Tomb Raider Rise of the Tomb Raider Marvel's Avengers
It indicates that the game's primary data archive (the "bigfile") is missing, corrupted, or being blocked by the system Incident Summary Root Cause : The game engine cannot access a critical
or archive file. This is often due to a failed update, disk bitrot, or antivirus interference. Primary Affected Software Shadow of the Tomb Raider Rise of the Tomb Raider Marvel's Avengers Deus Ex: Human Revolution Mankind Divided (similar archive errors) Recommended Resolution Steps
The error message "unable to open bigfile bigfile000" typically occurs in games from the Tomb Raider series (specifically Anniversary Underworld
) when the game engine cannot read its primary data archives unable to open bigfile bigfile000 updated
. This usually stems from corrupted game files, insufficient permissions, or third-party software interference. Recommended Fixes Verify Integrity of Game Files (Steam/Epic) Right-click the game in your library, go to Properties Installed Files Local Files Verify integrity of game files
. This is the most effective fix as it redownloads any missing or corrupted "bigfile" segments. Run as Administrator Locate the game’s file in the installation folder. Right-click it, select Properties , go to the Compatibility tab, and check Run this program as an administrator Disable Antivirus/Firewall
Security software can occasionally quarantine or block access to large
files during an update. Add the game's installation folder to your antivirus Exclusion List Check Disk Space & Health
Ensure your drive has at least 10-15GB of free space. These "bigfiles" are massive, and the game may fail to open them if there isn't enough room for temporary cache files Disable "Next-Gen Content" ( Tomb Raider: Legend If you are playing the older Tomb Raider: Legend The error message "Unable to open bigfile bigfile000
, this specific setting in the Graphics menu is notorious for causing file read errors and crashes. For Modded or Repackaged Versions
If you are using a repack (like CorePack or FitGirl) and see this error during installation, it often indicates a checksum failure (CRC check).
: Many installers have a "Limit to 2GB/3GB RAM" checkbox; check this to prevent memory-related extraction errors. Re-hash Torrent
: If you downloaded via torrent, "Force Recheck" the files to ensure bigfile000 wasn't corrupted during the download. exact file path for a specific game version or help with a specific game launcher Rise of the Tomb Raider - Rescue Jonah crash : r/TombRaider
Symptoms: The error occurs immediately after an update; the file is visible but cannot be opened; no corruption signs. Cause 1: File Locking by Antivirus or Another
Solution:
handle64.exe from Microsoft.handle64.exe -a bigfile000Based on the diagnostics, apply the corresponding solution.
Published by: Tech Rescue Team
Reading Time: 6 minutes
If you are reading this, you have likely just encountered a frustrating pop-up message on your screen: "Unable to open bigfile bigfile000 updated" (or a variant like bigfile.000). This error typically appears when working with encrypted container files, virtual machine disk images (VHDX/VMDK), large database backups, or segmented archive files (like those from WinRAR or 7-Zip split archives).
This error stops you dead in your tracks. You cannot access your data, mount your virtual drive, or extract your backup. Below, we will dissect exactly why this error occurs, what the ".bigfile000" extension means, and the step-by-step solutions to fix the "updated" conflict.
Sometimes an update process changes the internal format without changing the filename extension. For example, bigfile000 might have been a plain text log, but bigfile000_updated could be compressed or encrypted.
Solution: