Check disk health and free space:

Modern antivirus (including Windows Defender’s Controlled Folder Access ) blocks the game’s write attempts to its own configuration files inside Documents\ . When the engine tries to generate a temporary allocation map for bigfile.000 , the access is denied → the engine treats it as a corrupted archive.

The error can stem from several distinct sources. Pinpointing the cause will save you hours of trial and error.

Bigfile000tiger Tomb Raider Error //free\\ Jun 2026

Check disk health and free space:

Modern antivirus (including Windows Defender’s Controlled Folder Access ) blocks the game’s write attempts to its own configuration files inside Documents\ . When the engine tries to generate a temporary allocation map for bigfile.000 , the access is denied → the engine treats it as a corrupted archive. bigfile000tiger tomb raider error

The error can stem from several distinct sources. Pinpointing the cause will save you hours of trial and error. Check disk health and free space: Modern antivirus