Rise Of The Tomb Raider Unable To Open Bigfile.000 [hot] Jun 2026

: In the executable's Compatibility tab, try setting the mode to Windows 8 or Windows 7 and check Disable fullscreen optimizations .

: Right-click the game's executable ( ROTTR.exe ) and select Run as Administrator to bypass potential permission issues. Rise Of The Tomb Raider Unable To Open Bigfile.000