To Open Bigfile Bigfile.000 Better: Unable

Overzealous antivirus programs frequently block large game archives. You need to tell your security software that the game folder is safe. Open via the Start menu.

Right-click Bigfile.000 and select . If the file size is 0 KB or very small (under 1KB), the file header is likely missing or the file is empty. If it is large (e.g., 1GB+), the issue is probably missing companion files or corruption.

Open the and type Windows Security , then press Enter. Unable To Open Bigfile Bigfile.000

Most instances of this error stem from a corrupted asset file. Instead of reinstalling the entire game, you can force your game launcher to scan and repair the specific broken file. Launch Steam and navigate to your Library . Right-click on the problematic game and select Properties . Navigate to the Installed Files tab on the left menu. Click Verify integrity of game files .

Split images rely on all segments being present. If bigfile.001 is missing, or if bigfile.000 is truncated or corrupted, the software cannot parse the image header or reconstruct the data stream. Right-click Bigfile

Checklist summary (quick)

Right-click on your game's desktop shortcut or primary .exe file in its installation folder. Select . Switch to the Compatibility tab. Check the box next to Run this program as an administrator . Click Apply and then OK . 3. Configure Antivirus Exclusions Open the and type Windows Security , then press Enter

Remember: the .000 extension is just a label. The real key is understanding how your image was created and respecting that structure. When in doubt, join the segments into a single file—this almost always resolves the error for raw split images.

Navigate to and select the entire directory where your game is installed (e.g., C:\Program Files (x86)\Steam\steamapps\common\Tomb Raider ).