If verification fails, manually deleting the faulty file can force a clean download. Note: This usually applies more to bigfile.000.tiger in newer versions, but if you have a .top or .000 file identified, try this: Go to the game folder. Find the bigfile000.top (or .tiger ) file. Delete it.
Ensure you have at least on the drive where the game is installed.
Rise of the Tomb Raider: Unable to Open bigfile000.top (Fix Guide) rise of the tomb raider unable to open bigfile000 top
Add the entire Rise of the Tomb Raider installation folder (e.g., Steam\steamapps\common\Rise of the Tomb Raider ) to your antivirus .
Wait for the scan to finish; Steam will automatically re-download any corrupted data. Epic Games Store Users: Navigate to your . If verification fails, manually deleting the faulty file
Once you fix the error, follow these best practices to ensure it never returns:
If you have tried all eight solutions and still see "unable to open bigfile000 top," there is one final possibility: Delete it
Enforcing high-level execution privileges blocks underlying system layers from denying read/write requests to the local storage drive where the game is located. Go to your game installation directory. Right-click and select Properties . Change to the Compatibility tab. Check the box for Disable full-screen optimizations . Check the box for Run this program as an administrator .
Widely considered the high point of the modern "Survivor" trilogy, Rise of the Tomb Raider
You will typically encounter the "unable to open bigfile000 top" error in one of four specific scenarios: