If you are trying to launch an older Ubisoft title and are blocked by an error stating that "The procedure entry point uplay-ach-earnachievement could not be located in the dynamic link library," you are likely dealing with a compatibility break between legacy game files and the modern Ubisoft Connect launcher.
Your games will be recognized automatically, and achievement functions should be restored. uplay-ach-earnachievement could not be located
"The procedure entry point uplay-ach-earnachievement could not be located in the dynamic link library" If you are trying to launch an older
regsvr32 /u "C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\uplay_ach.dll"
regsvr32 "C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\uplay_ach.dll"
(Adjust path if Ubisoft is installed elsewhere)regsvr32 /u "C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\ubiorbitapi_r2.dll"
regsvr32 "C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\ubiorbitapi_r2.dll"
(Adjust the path if you installed Ubisoft Connect on a different drive.)