Go to the bigfile folder within your game installation directory.
This is the single most effective fix. If any game file is missing or corrupted, the launcher will automatically re-download the correct version.
Select , choose Folder , and select the entire directory where Rise of the Tomb Raider is installed. 4. Force Regenerate Corrupted Config Files
Click . Steam will automatically detect and re-download any corrupted segments of the bigfile archives. rise of the tomb raider unable to open bigfile000 top
If you are seeing the "Rise of the Tomb Raider unable to open bigfile000 top" error, you are not alone. This article will explain exactly what bigfile.000 is, why this error occurs, and—most importantly—provide 8 proven solutions to get you back into Lara’s Siberian nightmare.
If your hard drive has bad sectors, it may fail to read large data blocks. Open the Command Prompt as an administrator, type chkdsk /f /r , and press Enter to allow Windows to repair disk read pathways. Summary of Troubleshooting Steps Action Level Primary Target Verify Integrity Fixes missing or fragmented asset blocks automatically. Rename Archive
Windows security layers can block access to system-level read requests if the game executable runs with limited user privileges. Go to the bigfile folder within your game
Open your Library, click the three dots (...) underneath the game tile, and click Manage ➔ Verify .
Permission issues can also prevent the game from accessing its own files. Granting administrative privileges can solve this.
If you’ve been greeted by an error message like Disc error while reading BIGFILE.000 , Failed to open BIGFILE.000 , or Tiger Archive header mismatch in BIGFILE.000.tiger! when launching , you’re far from alone. This error—often combined with the “top” phrasing in some queries—is one of the most commonly reported startup issues for the PC version of the game. The good news? In most cases, it can be resolved without needing to re-download the entire game or reinstall Windows. Select , choose Folder , and select the
The game engine relies heavily on packed .tiger archives to efficiently stream textures, audio, and environmental assets during gameplay. When the engine attempts to mount bigfile000.tiger at startup, a crash will occur if any of the following conditions are met:
Click the button and wait for the verification pipeline to complete. 2. Re-index Archive Files Manually