To fix the uplay_r1_loader64.dll missing error in Assassin's Creed Unity, you typically need to restore the file from your antivirus quarantine, manually replace it from the game's internal folders, or reinstall the Ubisoft Connect client. This error occurs because the file, which is a critical part of the Ubisoft API loader, is often flagged as a "false positive" by security software and deleted or blocked. Primary Fixes for Assassin's Creed Unity 1. Restore from Antivirus Quarantine
within your main Assassin's Creed Unity installation directory. If the file is present there, copy it and paste it into the main folder where the game's is located. Verify Game Files : If you own the game on a platform like Ubisoft Connect To fix the uplay_r1_loader64
Conclusion
“Error loading uplayr1loader64.dll. The specified module could not be found.” The specified module could not be found
After updating, restart your PC.