Look for "Threat quarantined" entries around the time you tried to launch the game.
If the file wasn't quarantined, it might be truly missing or corrupted. You can use your game launcher to automatically find and replace it. how to fix far cry 4 uplay-r1-loader64.dll missing
Go to your Library , find Far Cry 4 , click the three dots (More Options) next to the Play button, and select Verify files . Look for "Threat quarantined" entries around the time
If verifying files doesn't work, you can manually place a clean copy of the DLL into the game’s directory. Go to your Library , find Far Cry
Below are the most effective ways to fix this missing DLL issue and get your game running. 1. Restore the File from Antivirus Quarantine
Dealing with the "uplay_r1_loader64.dll missing" error in Far Cry 4 can be incredibly frustrating, especially when you’re ready to dive into Kyrat. This error usually occurs because your antivirus software incorrectly flagged the file as a threat and quarantined it, or the file was simply corrupted during installation.