The uplay_r1_loader64.dll error typically occurs when Ubisoft games or the Ubisoft Connect (formerly Uplay) client cannot find or load this essential DLL file. This can happen due to a missing, corrupted, or improperly installed DLL, or issues with your system configuration.
Step-by-Step Solutions
1. Reinstall the Application or Game
Uninstall the affected game or Ubisoft Connect client.
Download and reinstall the latest version from the official source.
This often restores any missing or corrupted DLL files automatically.
2. Verify Game Files
If using Ubisoft Connect or another game platform, use the built-in feature to verify the integrity of game files. This will replace any missing or damaged files, including DLLs4.
3. Manually Replace uplay_r1_loader64.dll
Download a fresh copy of the DLL file from a reputable source.
Extract the DLL from the downloaded ZIP file.
Copy the DLL file to the installation directory of the game or application that requires it.
Alternatively, place the DLL in the appropriate Windows system directory:
For 64-bit Windows:
64-bit DLL:
C:\Windows\System32\32-bit DLL:
C:\Windows\SysWOW64\
For 32-bit Windows:
Place in
C:\Windows\System32\.
4. Register the DLL File
Open Command Prompt as Administrator.
Type:
textregsvr32 uplay_r1_loader64.dllIf registering a 32-bit DLL on a 64-bit system, use:
textregsvr32 c:\windows\syswow64\uplay_r1_loader64.dllPress Enter, then restart your computer and check if the error is resolved.
5. Run as Administrator
Right-click the game or Ubisoft Connect shortcut and select Run as administrator to avoid permission issues that could prevent the DLL from loading4.
6. Additional Troubleshooting
Ensure your Windows system is up to date.
Temporarily disable antivirus or security software that might be blocking the DLL.
If the issue persists, consider using a PC repair tool or consult a technician for advanced troubleshootinge Ubisoft game functionality.