If you own the legitimate game through an official platform, structural file corruption is causing the application breakdown. Do not download standalone DLLs from sketchy third-party sites; let the launchers fix it natively. For Ubisoft Connect Launch the desktop client.

Mark read carefully. The error was happening because Assassin’s Creed Unity was an older game. Back when it launched, Ubisoft used a launcher called "Uplay." However, in the present day, Ubisoft had forced everyone onto a newer, sleeker launcher called "Ubisoft Connect."

Once downloaded, extract the file and paste it into your game's main folder.

Windows Defender frequently flags this loader file as a severe threat and moves it to quarantine automatically.

Follow these troubleshooting methods in order to restore the file and get the game running.

Open your and right-click Assassin's Creed Unity . Select Properties from the drop-down menu. Go to the Installed Files tab.