"uplay-ach-earnachievement could not be located" is a classic technical hiccup that occurs when a game—usually an older Ubisoft title—tries to talk to a version of the Uplay/Ubisoft Connect software that no longer exists or has been moved.
Ubisoft frequently updates its launcher and games. Running an outdated version can lead to mismatched function calls. A patch may have renamed or removed the “uplay-ach-earnachievement” reference in the code, but an older game version still tries to call it. uplay-ach-earnachievement could not be located
Run these in Command Prompt (Admin):
Engineering to review achievement manifest loading sequence in version 153.0. ETA for hotfix: 5 business days. Game or launcher update changed/removed the achievement hook
This is the most effective fix, as it replaces all corrupted or missing DLL files with the latest versions. Go to . Select Ubisoft Connect and uninstall it. Run these in Command Prompt (Admin): Next Step: