The error "The procedure entry point UPLAY_ACH_EarnAchievement could not be located" typically indicates a conflict between an older Ubisoft game and a newer version of the Ubisoft Connect (formerly Uplay) launcher. This often happens because the game is looking for a specific function in a legacy .dll file that has been moved or renamed in modern updates. Top Recommended Fixes
Check Your Antivirus Quarantine: Antivirus software (including Windows Defender) frequently flags uplay_r1_loader.dll or uplay_r1_loader64.dll as a "false positive" and moves it to quarantine. Open Windows Security > Virus & threat protection.
8) If using overlays/third-party software intentionally
- Update those programs to latest versions or disable their injection.
- Prefer official, latest Ubisoft Connect and supported overlay combos.
The Resolution