"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.
: The game’s local files are pointing to a legacy directory that no longer exists. How to Fix It uplay-ach-earnachievement could not be located
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. Go to your in Ubisoft Connect or Steam
If a DLL file was corrupted during an update or blocked by antivirus software, verifying the integrity of the files can restore the correct version. Go to your in Ubisoft Connect or Steam. Select the problematic game. Go to Properties or Manage . Select Verify files and wait for the process to complete. 3. Run as Administrator uplay-ach-earnachievement could not be located