Uplay-ach-earnachievement — Could Not Be Located
"UPLAY_ACH_EarnAchievement could not be located"
The error is a "Procedure Entry Point Not Found" error. It indicates that an executable file is trying to call a specific function ( UPLAY_ACH_EarnAchievement ) from a Dynamic Link Library (DLL) file, but the function is missing, corrupted, or the DLL itself is the wrong version. Core Causes
localization and file reference error
At its core, this is a . When your game attempts to trigger an achievement (e.g., "You killed 100 enemies" or "You reached Level 50"), the Ubisoft Connect client looks for a specific script or asset labeled ach-earnachievement . This asset is supposed to tell the system how to display the pop-up, log the unlock, and sync it to your cloud profile. uplay-ach-earnachievement could not be located
Report ID:
UC-ACH-2026-0412-01 Date of Incident: April 12, 2026 Reported By: End User / QA Tester Application: Ubisoft Connect (formerly Uplay) Error Message: uplay-ach-earnachievement could not be located When your game attempts to trigger an achievement (e
Step 1: Restart Your Computer and Uplay Client
If an update is available, follow the prompts to install it. Right-click the game > "Properties" > "Local Files"
Right-click the game > "Properties" > "Local Files" > "Verify integrity of game files." Check Antivirus Quarantines Security software sometimes flags uplay_r1_loader.dll as a false positive.