The error message "unable to open bigfile bigfile000" typically occurs in games from the Tomb Raider series (specifically Anniversary Underworld
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.
Photorec (part of TestDisk) ignores the filesystem and scans for known file signatures.
This overwrites only the first 512 bytes.