Rise Of The Tomb Raider Unable To Open Bigfile000 Top May 2026

If your username does not contain special characters, the error is likely due to file integrity or antivirus interference.

If that works, you can also do the same for the Steam/Epic launcher itself. rise of the tomb raider unable to open bigfile000 top

Many cosmetic mods directly patch bigfile.000. If you installed a mod using a third-party tool (like the "Tomb Raider Mod Launcher" or manual file replacement), that mod is likely outdated. If your username does not contain special characters,

If you have the game installed in a folder that is influenced by a username with special characters, moving the game to a neutral folder often fixes the issue immediately. Right-click Rise of the Tomb Raider in your

Right-click Rise of the Tomb Raider in your library, select Properties > Installed Files > Move Install Folder.

Move the game to the new library folder and try launching again.

bigfile.000 is massive. If your Windows page file (virtual memory) is too small, the game cannot "map" the file into memory.

Click Set → OK → Restart your PC.

The file bigfile000.tiger might be corrupted or missing a few kilobytes of data.