There is no universal “fixed” download. The real fix is official file verification . Anything else is a gamble.
If you need the exact MD5 hash of a clean Sounds_eng.pck to compare with your file, specify your game version (original 2012 vs. Remastered 2019) and store (Steam/Uplay). --- Assassin 39-s Creed 3 Sounds-eng.pck Download Fixed