Quick checklist (try in order)

For technical users only. There exists a registry key that some modders use to skip file checks, but it can cause crashes and is unsupported. We do not recommend this, but for completeness:

By following the solutions outlined in this article, players should be able to overcome the Bigfile000 error and enjoy a seamless gaming experience in Rise of the Tomb Raider.

Navigate to your game installation directory and locate the bigfile.000 file.

This article will dissect the causes of the error and provide 10 verified, step-by-step solutions, ranging from simple restarts to advanced registry edits.

Open , navigate to Virus & threat protection , and click Manage settings .

Return to Steam, right-click the game, select Properties > Installed Files , and click Verify integrity of game files . This forces the launcher to download a fresh, clean version of that specific file. 2. Adjust Permissions and Compatibility

I am trying to launch Rise of the Tomb Raider on PC, but the game refuses to start. Every time I try to verify the game files via Steam, it pauses for a moment and then gives me a status message:

The primary causes of this error can be grouped into four main categories: