Download the uplay_r1_loader64.dll file for free on Windows. Ubisoft developed this DLL. There are four versions, with the latest being v21.0.0.4868.
When a game or program needs uplay_r1_loader64.dll, Windows searches for the file before running it.
If the file is missing or has an issue, an error message appears, and the program won’t start. Some common errors include:
- The system could not find uplay_r1_loader64.dll, so the program did not start.
- The program can’t start because uplay_r1_loader64.dll is missing from your computer.
- The system could not find uplay_r1_loader64.dll. An error occurred while starting the module.
- The file ‘uplay_r1_loader64.dll’ could not be loaded or is corrupt. Setup cannot continue.
- The system can’t run the code because it can’t find uplay_r1_loader64.dll. Reinstalling the program might fix the issue.
- uplay_r1_loader64.dll is either not designed to run on Windows or contains an error. Try reinstalling the program using the original installation media or contact support.
These errors occur when the DLL file is missing, corrupt, or has issues. To fix them, reinstall the file or place it in the program or game that needs it.
Fixing uplay_r1_loader64.dll Errors on Windows
You can fix errors related to uplay_r1_loader64.dll in different ways. Try these solutions:
- Download uplay_r1_loader64.dll from this page and reinstall it.
- Place the uplay_r1_loader64.dll file in the folder of the game or program that needs it.
- Check if the application is updated. If not, install the latest update.
- Uninstall and reinstall the game or program.
- Update Windows and the necessary drivers.
Installing uplay_r1_loader64.dll on a Computer

You can install this DLL file in two ways. Copy it to the application’s folder or register it using Microsoft REGSVR. Follow these steps:
Method 1: Copy uplay_r1_loader64.dll to the Installation Folder
- Close the game or program that is showing the error.
- Download the DLL file from this page. It will be in a zip format.
- Extract the zip file to any location.
- Find the uplay_r1_loader64.dll file and copy it.
- Paste it into the folder of the application or game that needs it.
- Open the program to check if the error is gone.
Method 2: Register uplay_r1_loader64.dll Using Microsoft REGSVR
REGSVR is a command-line tool in Windows that registers DLL files. Follow these steps to register the DLL:
- Close the application or game that is showing the error.
- Download the DLL file from this page. It will be in a zip format.
- Extract the zip file to any location.
- Find the uplay_r1_loader64.dll file and copy it.
- Paste the file into the system directory based on your Windows version:
- On 64-bit Windows, place the 64-bit DLL in C:\Windows\System32* and the 32-bit DLL in **C:\Windows\SysWOW64*.
- On 32-bit Windows, place the file in **C:\Windows\System32**.
- Search for Command Prompt, right-click it, and select Run as administrator.
- Type the following command and press Enter:
regsvr32 uplay_r1_loader64.dll- If registering a 32-bit DLL on a 64-bit system, type:
- regsvr32 c:\windows\syswow64\uplay_r1_loader64.dll
- Restart the computer, then check if opening the app fixes the problem.