If your game continues to crash after completing these steps, the storage drive sector itself may be failing. Moving the entire installation directory to an alternate often bypasses deep hardware allocation errors completely. To help narrow down the problem, tell me: What launcher are you using (Steam, Epic, or Xbox App)? Are you running the game on an HDD or an SSD ?

Abrupt system shutdowns, power outages, or download micro-stutters during game updates can corrupt bits of data within the file container.

Right-click RiseOfTheTombRaider.exe → Properties → Compatibility → .

There are several reasons why the "Rise of the Tomb Raider unable to open Bigfile000.top" error occurs. Some of the most common causes include:

Select , choose Folder , and select the entire directory where Rise of the Tomb Raider is installed. 4. Force Regenerate Corrupted Config Files

Security software flags the large asset package or the game execution thread as malware, locking read access to the file.

The fastest way to resolve this is to let your game launcher scan for and replace the corrupted bigfile000.tiger . :

Cut and paste this folder onto your desktop to back up your save files.

Below is a structured troubleshooting guide. Try each step in order—most users resolve the issue by the third or fourth step.

Security software flags the oversized file as a false positive.

Click the button and wait for the verification pipeline to complete. 2. Re-index Archive Files Manually

Fix: "Unable to Open bigfile000.tiger" in Rise of the Tomb Raider

In conclusion, the "Rise of the Tomb Raider unable to open BigFile000.top" error can be a frustrating issue for players, but it can often be resolved through troubleshooting steps such as verifying game files, updating graphics drivers, and disabling overlay software or mods. By trying these steps, players can get back to enjoying the game and exploring the world of Lara Croft.

Find the bigfile.000.tiger file and rename it to something like bigfile.000.old .

: Ensure you have at least 10 GB to 15 GB of free space on your drive beyond the minimum game requirements.

Here is a comprehensive guide to troubleshooting and fixing this error on PC.