If your PC is low on RAM, the game may struggle to open these massive files. You can try increasing your Windows Page File size or closing background applications like Chrome or Discord to free up memory. 3. Permissions and Admin Rights
express high frustration, as standard reinstalls sometimes fail to fix the problem. Root Causes: Typically attributed to
Disable the following overlays one by one and test the game after each:
Highlight bigfile.000.tiger (and any other bigfile variations mentioned in the error) and them. shadow of the tomb raider unable to open bigfile.000
Editing the Windows Registry can be dangerous if done incorrectly. Please proceed with extreme caution and back up your registry before making any changes.
: Click the three dots next to the game > Manage > Verify . Secondary Troubleshooting Steps
: Usually located in C:\Program Files\Epic Games\Shadow of the Tomb Raider . If your PC is low on RAM, the
If you're trying to dive back into Lara Croft’s latest adventure only to be stopped by an "Unable to open bigfile.000" error, you're not alone. This error typically points to , permission issues , or security software interference .
The "Unable to open bigfile.000" error is a classic case of security software getting in the way of gaming. In 90% of cases, simply running the game as an Administrator or adding the game folder to your antivirus exclusions will get Lara back in action.
You are not alone. This is a relatively common issue that prevents the game from accessing its core data files. Fortunately, it is usually fixable with a few troubleshooting steps. Permissions and Admin Rights express high frustration, as
If the game is installed on an or an External HDD ? Your current Windows version (10 or 11)?
Simply verifying files sometimes fails if Steam or Epic Games thinks the corrupted file is "correct". Manually deleting the problematic files forces the launcher to replace them. :