Before jumping into solutions, it helps to understand what this file is and why it causes problems.
: If the file is truly gone, you can manually place a copy into your game's directory. It typically belongs in the Far Cry 4/bin or Far Cry 4/bin_plus folder. far cry 4 uplay-r1-loader64.dll missing
If the file is missing due to a broken launcher registry, a clean installation of Ubisoft Connect will restore the core DLL files. Before jumping into solutions, it helps to understand
Restoring the game typically requires one of the following methods: Before jumping into solutions