The "uplay-r1-loader64.dll missing" error in typically happens because your antivirus software has mistakenly flagged and quarantined the file, or the Ubisoft Connect (formerly Uplay) installation is corrupted. Recommended Fixes
Check Antivirus Quarantine: Open your antivirus software and look for the uplay-r1-loader64.dll file in the "Quarantine" or "Virus Vault" section. If found, restore the file and add it to your antivirus exclusion list to prevent it from being deleted again. Verify Game Files:
On Ubisoft Connect: Go to "Games," select Far Cry 4, go to "Properties," and click Verify files.
On Steam: Right-click Far Cry 4 in your Library, select "Properties" > "Installed Files" > Verify integrity of game files.
Reinstall Ubisoft Connect: Sometimes the launcher's own core files are the issue. Download the latest version from the Ubisoft Connect website and install it over your current version to repair missing DLLs.
Manually Restore the DLL: If verification fails, you can manually replace the file in the game's folder (usually Far Cry 4\bin). However, ensure you only download DLLs from reputable sources, as third-party DLL sites can carry security risks.
For a step-by-step visual guide on locating and replacing the missing DLL file in your game directory, watch this tutorial: Uplay r1 loader64 dll missing or not found Fix Lotus Geek YouTube• Jul 7, 2025 Uplay r1 loader64 dll missing or not found Fix
If after all this the error persists, you may have a corrupted repack. Download a different release (e.g., FitGirl, RG Mechanics, or a fresh SKIDROW ISO).
A frustrating error!
The "uplay-r1-loader64.dll missing" error in Far Cry 4 can be caused by a few factors, including:
Here's a step-by-step guide to help you resolve the "uplay-r1-loader64.dll missing" error:
Step 1: Update Uplay
Step 2: Verify Game Files
Step 3: Install/Update Visual C++ Redistributable
Step 4: Reinstall Uplay (optional)
If the above steps don't work, you can try reinstalling Uplay:
Step 5: Manually replace the DLL (advanced)
** Warning:** This step is for advanced users only. Be cautious when handling system files.
C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\C:\Windows\SysWOW64Step 6: Additional troubleshooting
If none of these steps resolve the issue, you may want to consider:
Do not use cracked DLLs. Instead:
Uplay/Ubisoft Connect:
Steam:
Epic:
... on Far Cry 4 → Verify.After verification, the legit launcher (UplayPC.dll or UbisoftConnect.dll) will be restored – not the crack file.
If you had a cracked version before and now own it legally, uninstall completely, delete leftover folders, then reinstall through the legit store.
uplay-r1-loader64.dll?Before fixing the error, it helps to understand what you are dealing with. The uplay-r1-loader64.dll is not a standard Windows system file. Instead, it is a proprietary dynamic link library file created by Ubisoft. Its purpose is threefold:
FarCry4.exe) and Ubisoft's Uplay/Ubisoft Connect DRM (Digital Rights Management).When this file is missing, corrupted, or blocked, the game cannot verify your ownership, and it refuses to launch.
If nothing works: