Ren’Py games generate a unique or Persistent Data string when they are first launched. When you move a save file (the .save files found in the /saves/ folder) to a new machine, the engine detects that the "origin" hardware doesn't match the "current" hardware. The warning is there because:
The message is part of the Save Token Security system introduced in Ren'Py 8.1 . This security feature is designed to protect your computer from potentially malicious code, as Ren'Py save files use the "pickle" format, which can execute arbitrary code if a file is modified by a bad actor. How to Fix or Bypass the Message renpy this save was created on a different device link
: If you created the save yourself on a different device or trust the creator, you can select "Yes" to proceed with loading. Ren’Py games generate a unique or Persistent Data
If the solution above does not work, it means the developer wrote a custom script (often in script.rpy or screens.rpy ) that runs a python block to check the device ID manually. This security feature is designed to protect your
Press Shift + O to open the console.
: Maliciously constructed save files can execute arbitrary Python code, potentially harming your computer.
If you see a blank screen instead of a "Yes/No" prompt, the game developer likely hasn't updated their UI to include the new security prompts. You may need to wait for a game update or manually disable the protection (see below). For Developers: Update your UI: Ensure your screens.rpy includes the gui.UNKNOWN_TOKEN gui.TRUST_TOKEN Disable Save Protection: