How To Fix Far Cry 4 Uplay-r1-loader64.dll Missing May 2026
Before fixing the error, it helps to understand what this file is. This DLL file is a bridge between your game client (Steam/Epic) and the Ubisoft Connect launcher. It is not a virus or a core Windows file; it is a proprietary "crack" or loader file used to redirect the game's DRM (Digital Rights Management) checks.
Why does it go missing?
To fix the "uplay-r1-loader64.dll missing" error in , you typically need to restore the file from your antivirus quarantine or manually place it back into the game's directory. This file is part of the Uplay API and is often flagged incorrectly as a threat by security software. Core Solutions
Restore from Antivirus Quarantine: Check Windows Security or your third-party antivirus. Go to Virus & threat protection > Protection history, find the "threat quarantined" entry for the DLL, and select Restore.
Verify Game Files: In Steam, Ubisoft Connect, or Epic Games, use the "Verify Integrity of Game Files" tool. This automatically detects missing files and redownloads them from official servers.
Manual DLL Replacement: If the file is permanently gone, you can download a 64-bit version of uplay_r1_loader64.dll from a trusted source like DLL-files.com. Copy the file and paste it directly into the Far Cry 4 bin or bin_plus folder.
Reinstall Ubisoft Connect: Since the DLL is part of the Ubisoft launcher, uninstalling and reinstalling the latest version of the Ubisoft Connect client can often repair missing API files. Community Experiences how to fix far cry 4 uplay-r1-loader64.dll missing
Many players have found that simply checking their security logs resolved the issue without needing to download anything new.
“so ive managed to fix it, you gotta go to windows security... click the "threat quarantied" on the top, click actions and restore it.” Reddit · r/PiratedGames · 4 years ago
“I've found that many times the missing DLL files are actually a result of a program not being fully installed... Reinstall: Then re-download and install the program from the official website.” Microsoft Community Hub · 1 year ago
These video guides provide visual walkthroughs for restoring the missing DLL and configuring your game folder:
The error "uplay_r1_loader64.dll missing" or "not found" in often occurs because an antivirus program has incorrectly quarantined the game's loader file (a "false positive"), especially if using a modified or cracked version of the game
Here are the most effective ways to fix this issue, ordered by likelihood of success: Before fixing the error, it helps to understand
Method 1: Restore the File from Antivirus Quarantine (Recommended)
This is the most common fix because the file usually isn't missing—it's just being blocked. Windows Security
(or your third-party antivirus app, e.g., Avast, Kaspersky). Virus & threat protection Protection history (or Quarantine). Locate the entry that mentions uplay_r1_loader64.dll or a "Trojan" related to the game. Select it and choose Optional but Recommended: Add the Far Cry 4 game folder to your antivirus Exclusions list to prevent this from happening again. Method 2: Manually Replace the DLL File If the file is truly gone, you need a new copy. uplay_r1_loader64.dll file (ensure it is the 64-bit version). the file into the directory of the game installation folder (e.g., Far Cry 4\bin If prompted, select Method 3: Reinstall/Verify Game Files If you are using Uplay or Steam: Right-click Far Cry 4 > Properties > Local Files > Verify integrity of game files Ubisoft Connect (Uplay): Go to the game > Properties > Verify files Method 4: Run as Administrator and Compatibility Mode Right-click the FarCry4.exe (within the folder) or the desktop shortcut. Properties Compatibility Run this program in compatibility mode and select Windows 7 or 8. Run this program as an administrator
Note: If you are using a re-pack version (like FitGirl), check the installation folder for a "NoDVD" or "Crack" folder containing the file needed. Uplay r1 loader64 dll missing or not found Fix
If verification fails, you can manually source the file. Caution: Only download DLLs from reputable sources or directly from a working Uplay installation. Avoid "DLL download" websites that are often filled with malware.
Step 1: Find a clean copy. The safest way is to copy it from a friend's PC who has Far Cry 4 installed, or search for the official Ubisoft DLL pack (though Ubisoft doesn't officially distribute single DLLs). If verification fails, you can manually source the file
Step 2: Place the file in the correct folder. You have two locations to try:
Step 3: Register the DLL (Windows System).
If all else fails, you need to wipe the slate clean.
If the file is truly missing (not just quarantined) or corrupted, your game launcher can redownload it.
For Steam Users:
For Epic Games Store Users:
For Ubisoft Connect Users: