If your "Documents" folder is synced to OneDrive , it can sometimes lock the game's save or configuration files. Try disabling OneDrive temporarily or ensuring it is fully synced before launching the game. 4. Advanced: Forced Re-download of the Specific File
often feels like a brick wall, but it is typically a symptom of one of three things: shadow of the tomb raider unable to open bigfile.000
: Click the three dots next to the game > Manage > Verify . Secondary Troubleshooting Steps If your "Documents" folder is synced to OneDrive
Goal: Add an in-game and launcher-level diagnostic feature that detects, explains, and automatically repairs errors related to missing/corrupt "bigfile.000" (or similar archive) so players can resume the game without manual file fiddling. shadow of the tomb raider unable to open bigfile.000