Always quit Assassin's Creed Unity through the in-game menu to allow the emulator to finish writing the save data completely. To help narrow down the issue, please let me know:
Saves from cracked versions often don't work with legitimate copies because of different encryption IDs Verify Files: assassins creed unity save game fix crack top
If you own the game on Steam and cloud sync keeps bringing back a bad save, you have to delete both the and cloud copies. One solution is to disable Steam Cloud for the game, delete the local save files, launch the game to create fresh saves, then optionally re‑enable cloud sync and choose to overwrite the cloud version. You can also follow Ubisoft’s official guide on manually removing cloud saves. Always quit Assassin's Creed Unity through the in-game
: Cloud synchronization overwrites your local progress. You can also follow Ubisoft’s official guide on