Antivirus Interference: Security software may have quarantined or deleted essential files like uplay_r1_loader64.dll, mistaking them for threats.
If verifying game files doesn't resolve the issue, try repairing the Uplay installation: uplay-ach-earnachievement could not be located
As a last resort, you might consider uninstalling and then reinstalling Ubisoft Connect. uplay-ach-earnachievement could not be located
System configuration problems can prevent the Uplay client from functioning properly. To check for system configuration issues: uplay-ach-earnachievement could not be located