Most instances of this error are caused by a single corrupted "bigfile" during an update or installation.
The game requires specific libraries to read its own archives. Missing or outdated "Redists" can break the file-reading process. Rise Of The Tomb Raider Unable To Open Bigfile.000
If verification fails to fix the loop, you may need to force a redownload of the specific corrupted asset. Navigate to your game installation folder. Locate bigfile.000.tiger . Delete this specific file. Run the tool again. The launcher will now download a clean version of the file. 3. Clear Download Cache Most instances of this error are caused by
Security software sometimes flags .tiger files as suspicious, locking them from the game engine. Add the game folder to your . If verification fails to fix the loop, you
Library > Right-click Rise of the Tomb Raider > Properties > Installed Files > Verify integrity of game files .