Far Cry 4 Uplay-r1-loader64.dll Missing (UPDATED)

Open the Windows and select Uninstall a Program . Find Ubisoft Connect , right-click it, and select Uninstall .

This will automatically detect the missing DLL and redownload it. ⚠️ Safety Warning

The most common cause for this error is flagging and quarantining the file as a false positive. Other causes include:

The error means:

Follow these solutions in order until the game launches smoothly. 1. Check Antivirus Quarantine History far cry 4 uplay-r1-loader64.dll missing

: Interrupted downloads, sudden power cuts, or hard drive errors can corrupt the file structure within the game's directory.

Windows Defender or third-party antivirus software is the most common culprit behind this specific error. The software isolates the DLL to protect your machine, falsely flagging it as a threat. Restoring via Windows Security:

The uplay-r1-loader64.dll file is a Dynamic Link Library (DLL) component belonging to Ubisoft's digital rights management and multiplayer platform, Ubisoft Connect (formerly Uplay). This file acts as a bridge between Far Cry 4 and the Ubisoft network. It verifies ownership, loads your cloud saves, and enables online features.

Sometimes the issue is not with the game but with the Ubisoft Connect client itself. Open the Windows and select Uninstall a Program

: To prevent it from being deleted again, go to Virus & threat protection settings > Manage settings > Add or remove exclusions . Select the folder where Far Cry 4 is installed.

If the file was deleted and isn't in quarantine, you can force the launcher to redownload it.

If nothing works:

An outdated or broken installation of the Ubisoft launcher can prevent games from referencing shared execution dependencies. Reinstalling the ecosystem software repairs these broken system links. ⚠️ Safety Warning The most common cause for

If the game uses but the error mentions uplay-r1-loader64.dll , try renaming one to the other – but usually you need both.

Go to the official Ubisoft website and download the latest version of the launcher.

Since this DLL belongs to the Ubisoft launcher (formerly Uplay), a corrupted launcher installation is often the culprit. Ubisoft Connect via Windows Control Panel.