Open protection dashboard > Exclusions > Add the entire Steamapps or XboxGames directory.
With these details, I can provide a more tailored set of troubleshooting instructions. Share public link
We are aware of the issue and are actively investigating. The problem appears to be related to a change in the file structure or indexing following the latest update.
The "bigfile" error often triggers when the game doesn't have "write" or "read" permissions for the folder where the update was downloaded. Navigate to the game's installation folder (e.g., SteamLibrary\steamapps\common\TombRaider Right-click the game's executable ( Properties Compatibility Run this program as an administrator Disable full-screen optimizations 3. Clear the Update Cache Sometimes the unable to open bigfile bigfile000 updated
: Security software sometimes flags heavily modified, newly updated .tiger or .000 data streams as suspicious and locks them down.
Sometimes an update changes folder permissions, preventing the game from "opening" the file because Windows has locked it.
Get-AppXPackage -AllUsers | Foreach Add-AppxPackage -DisableDevelopmentMode -Register "$($_.InstallLocation)\AppXManifest.xml" Use code with caution. Open protection dashboard > Exclusions > Add the
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Fix: "Unable to open bigfile bigfile000 updated" Error Getting hit with the error can be incredibly frustrating, especially when you’re just settling in for a session of Tomb Raider , Hitman , or Marvel's Avengers . This error usually pops up when your game launcher can’t read a core data archive, often due to file corruption or permission issues.
Below is an extensive, actionable guide outlining exactly why this issue happens and how to permanently repair it. Why This Error Occurs After a Game Update The problem appears to be related to a
If you have tried all five solutions and you still see the error, your file might be permanently damaged. However, do not delete it. Search for a that specializes in:
Repair Gaming services. ... Reinstall the Gaming Services app on your Windows 10/11 device: Select the Search icon on the taskbar, Forza Support
Windows or your antivirus tool is blocking the application from accessing its own directory.
You are likely here because your application or game suddenly crashed, presenting a frustrating error message: . This specific error is common in modern video games—especially titles developed by Square Enix or Crystal Dynamics (such as the Tomb Raider series, Deus Ex , or Marvel's Avengers )—as well as specialized database software.
of free space, as these "bigfiles" need room to unpack during updates. 4. GPU Driver Conflict