I didn't just fix a software bug; I saved my history. I spent the rest of the night practicing my Ultimate Jutsu finishes, knowing that this time, the progress was actually being recorded. To make sure we get your game back on track, tell me: Are you playing on ? Did this happen after installing DLC (like Road to Boruto)?
If you have no existing save or it's corrupted:
If the game updated or you switched Steam profiles, your save file might be sitting in the wrong folder. Press Windows Key + R to open the Run dialogue box. Type C:\Program Files (x86)\Steam\userdata and hit Enter.
a new backup folder on your desktop and move STORM4.S into it. I didn't just fix a software bug; I saved my history
Keep a backup copy of the 349040 folder on a separate flash drive or cloud drive once a month.
If none of the above works, the save file itself might be corrupted beyond repair. This happens if the game crashed during a previous save or if the PC shut down unexpectedly.
After deletion, start the game to see if it generates a new save data folder. You might need to restart the game from the beginning, but this usually resolves the issue. Did this happen after installing DLC (like Road to Boruto)
If your contains special characters (this often breaks Japanese game save paths)
The "save data does not exist" error in Naruto Shippuden: Ultimate Ninja Storm 4
Select .
If the file is missing, or the game is loading a new empty save, try to:
C:\Users\[YourUsername]\AppData\Roaming\Steam\CODEX\349040\remote\