[Request] Assassin's Creed Unity – sounds_eng.pck (English audio pack) download

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If you’re still unable to resolve the issue after verifying files and reinstalling, contact directly. They can provide advanced troubleshooting or patch-specific advice.

This is the most common cause for legitimate owners of the game. Assassin’s Creed Unity is an older title, and modern antivirus software can sometimes flag game binaries or packed data files as "false positives." If your antivirus deleted the sounds-eng.pck file thinking it was malware, your game will break instantly.