Overlays inject code into the game to display FPS, chat, or recordings. This can sometimes block the file-reading process.
When the game launcher tries to read this file and fails, it throws this error. The causes usually fall into three categories: shadow of the tomb raider unable to open bigfile.000
: If your "Documents" folder is synced with OneDrive, the game may fail to read/write save data or configuration files required at startup. Ensure OneDrive is signed in and running. Version-Specific Notes Overlays inject code into the game to display
Below is a deep dive into what causes this error and the step-by-step solutions to fix it permanently. shadow of the tomb raider unable to open bigfile.000