If the error appeared immediately after an update or a new download, the launcher might have lost track of the file download.
The naming convention bigfile.bigfile000 (or filename.000 , filename.001 ) usually indicates one of two things:
Sometimes Windows Defender flags the updated bigfile as a threat. Check Permissions: Ensure the game folder isn't set to "Read Only."
If all software solutions fail, the issue may be physical. unable to open bigfile bigfile000 updated
Most of the time, this error occurs because a few kilobytes of data were corrupted during the update download. Instead of reinstalling the whole game, let your launcher fix the specific file. Right-click the game in your Library . Select Properties > Installed Files . Click Verify integrity of game files . For Epic Games users: Find the game in your Library . Click the three dots (...) and select Manage . Click Verify . 2. Disable the Game’s Dedicated Launcher
Move these files to a temporary folder on your desktop to disable them.
Locate the game's primary executable file ( .exe ) in its installation folder. Right-click the .exe file and select . Open the Compatibility tab. Check the box labeled Run this program as an administrator . Click Apply and then OK . If the error appeared immediately after an update
Use a 64-bit version of the software if available. Alternatively, split the file into smaller chunks (e.g., using split on Linux or a file splitter on Windows) and process them separately.
How to FIX Shadow of the Tomb Raider Not Launching/Not Starting
Open your file explorer and navigate to your game directory (e.g., Steam\steamapps\common\Shadow of the Tomb Raider\ ). Most of the time, this error occurs because
When a game displays this error, it means the main core engine file ( bigfile.000 or bigfile.000.tiger ) is missing, corrupted, blocked by system security, or structurally altered by an updated patch. What Causes the Bigfile000 Error?
Press , type %appdata% , and press Enter. Locate and delete any folders associated with the game or its publisher.
This comprehensive guide will break down exactly why this error happens and provide step-by-step solutions to get your software running smoothly again. Core Causes of the Error
Right-click your game, select , then click Browse local files .
This error generally stems from three root causes: