The Steam API sometimes fails to initialize properly after sleep mode or long uptime. A fresh startup resets the handshake.
If verification completes but the error persists, the file is likely not corrupted—something else is blocking access. rise of the tomb raider bigfile000 error verified
The error is actually a false path . Rename bigfile.000 to bigfile.000.bak , then copy and rename bigfile.001 to bigfile.000 . The game will stream from the backup file. This is a known last-resort trick. The Steam API sometimes fails to initialize properly