The complete error message usually looks like this: The procedure entry point UPLAY_ACH_EarnAchievement could not be located in the dynamic link library uplay_r1_loader.dll
Scan for recent blocked items around the time you tried starting the game. Look for an entry targeting uplay_r164.dll . Click and select Restore . uplay-ach-earnachievement could not be located
Whether on Steam or Ubisoft Connect, use the "Verify Integrity" tool. This forces the launcher to check for missing DLLs and replace them. Update the Launcher: Manually download the latest version of Ubisoft Connect The complete error message usually looks like this: