Or a similar variation: The procedure entry point uplay_r1.UPLAY_ACH_EarnAchievement could not be located in the dynamic link library uplay_r1_loader.dll.
Rarely, the error is server-side or account-related.
This function goes missing or becomes unreadable due to several factors:
A clean reinstallation of the Ubisoft Connect client is one of the most reliable solutions, as it removes all corrupt files and resets the launcher to its default state. uplay-ach-earnachievement could not be located
: Antivirus programs, including Windows Defender, frequently flag and quarantine files like uplay_r1_loader.dll or uplay_r164.dll , mistaking their background overlay injection behavior for malicious activity. Step-by-Step Fixes for the Error
Sometimes the error is triggered by a corrupted local save configuration file that fails to synchronize your offline achievement triggers with the cloud database.
Right-click the desktop shortcut and select Properties . Go to the Compatibility tab. Or a similar variation: The procedure entry point uplay_r1
The Ubisoft Connect overlay component failed to initialize. How to Fix "uplay-ach-earnachievement could not be located"
If you are using an older operating system like Windows 7 and encountering a similar entry-point-not-found error (often related to CreateDXGIFactory2 ), Ubisoft has provided a specific workaround.
Follow these solutions in order, from the easiest and most common fixes to the more advanced troubleshooting steps. Method 1: Run Ubisoft Connect and the Game as Administrator Go to the Compatibility tab
When you download a classic Ubisoft game from a vendor like Steam, the game's executable files expect to communicate with an older version of Uplay. However, Ubisoft has replaced the older client with . During this software transition, several older Dynamic Link Library ( .dll ) files were heavily modified, deprecated, or removed entirely.
Follow these troubleshooting methods in order to resolve the error. 1. Perform a Clean Reinstallation of Ubisoft Connect
This often grants the game the permissions it needs to access the achievement API. Toggle the Overlay:
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