Running the game as administrator may resolve file access issues:
: Right-click the game in your Library > Properties > Installed Files > Verify integrity of game files . shadow of the tomb raider unable to open bigfile.000
Scroll down to and click Add or remove exclusions . Choose Add an exclusion -> Folder . Running the game as administrator may resolve file
To avoid this error in the future:
The error in Shadow of the Tomb Raider is a critical initialization crash caused by corrupted game archives (bitrot), insufficient virtual memory, or third-party software interference blocking access to the game’s core asset packs . This breakdown halts Lara Croft's adventure before the main menu can even load, but it can be resolved without completely redownloading the 40GB+ game. insufficient virtual memory