How To Fix Uplayr1loader64dll Error In Assassin 39s Creed Unity New Jun 2026

Ask a friend who has the game working to copy uplayr1loader64.dll from:

Corrupted or outdated installation files in the main Ubisoft folder. How to Fix uplay_r1_loader64.dll in Assassin's Creed Unity

Most guides tell you to "download a new DLL from a website." Downloading DLLs from random third-party sites is a leading cause of malware infections. The real uplay_r1_loader64.dll is already on your computer—your security software is just hiding or deleting it. Ask a friend who has the game working

Now launch Ubisoft Connect as admin, then start the game.

There are three primary causes for this error: Now launch Ubisoft Connect as admin, then start the game

restore the file from your antivirus quarantine or manually replace it in the game's installation directory

How to Fix Uplay_r1_loader64.dll Error in Assassin's Creed Unity (2026 Updated Guide) Temporarily disable these overlays to test

If you find uplay_r1_loader64.dll in one of these subfolders, copy it and paste it directly into the main game folder where the .exe file is located.

If the issue persists after these steps, the error is likely due to a third-party software conflict (such as RivaTuner Statistics Server or MSI Afterburner) hooking into the game overlay. Temporarily disable these overlays to test.

Navigate back to in Windows Security. Scroll down and click on Manage settings . Under Exclusions , click Add or remove exclusions . Click Add an exclusion and select Folder .