The game launcher or the game executable lacks the necessary Windows permissions to read files inside the installation directory.
Look for the , Quarantine , or Chest section.
"Why won't it open?" John muttered to himself, clicking on the file icon repeatedly. The cursor spun, and the system seemed to hang. He tried restarting his computer, but that didn't help. The file remained stubbornly unopenable. Unable To Open Bigfile Bigfile.000
Type the following command (replace C: with the drive letter where your game is installed): chkdsk C: /f /r
What are you using? (Steam, Epic Games, GOG, or a standalone disc?) Which specific game is throwing the error? The game launcher or the game executable lacks
Most digital distribution platforms offer a built-in tool to verify that all game files are correct and undamaged. This is often the most effective fix. If you have a pirated copy, this option won't be available to you.
The error message "Unable to open bigfile bigfile.000" is a common technical hurdle encountered by PC gamers and software users. This specific file format is a proprietary archive used by game developers—most notably Crystal Dynamics for the Tomb Raider series and Eidos Interactive for Deus Ex—to store high-quality textures, audio, and cinematic data. When a system fails to open this file, it effectively halts the program's ability to load essential assets, leading to crashes or "frozen" splash screens. Understanding the causes of this error and the systematic steps to resolve it is vital for restoring software functionality. The cursor spun, and the system seemed to hang
This error is incredibly common in titles developed by Crystal Dynamics and Eidos Interactive, such as the Tomb Raider reboot trilogy ( Tomb Raider 2013 , Rise of the Tomb Raider , Shadow of the Tomb Raider ), Deus Ex: Mankind Divided , and Marvel's Avengers .
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