2. If the issue persists, you can try to manually delete the corrupted file and repair it:
When an application requires UPLAYR1.DLL, Windows will check the application and system folders for this.dll file. If the file is missing you may receive an error and the application may not function properly. Learn how to re-install UPLAYR1.DLL. Dll Downloader is the most current, most secure, and most easy-to-understand dll download site. On our site, you can find the dll files you need with 32-Bit and 64-Bit architectural support compatible with the Windows 10, Windows 8.1 and 8, Windows 7, Windows Vista, and Windows XP operating systems.
Steam: C:Program Files (x86)SteamsteamappscommonWatch_Dogsbin
- Delete this file
- Verify your game files again (Uplay / Steam)
If the above steps did not resolve this issue for you, please 
contact our support team. Note that for technical such as these, attaching a Dxdiag and an Download Uplay 64 Bit
Msinfo
to your ticket will allow our support team to better understand your situation. - DLL File Name:uplay_r1_loader64.dll
- Product Name:Uplay
- File Version:4.4.0.2817
- Language Code:English (U.S.)
- MD5 Checksum:01734cba8fb0849fb285cb18ae90994c
Recommended Download: Uplay_r1_loader64.dll Repair Tool
This repair tool is designed to diagnose your Windows PC problems and repair them quickly. It scans your PC , identifies the problem areas and fixes them completely. Compatible with Windows 10, 8, 7, Vista, XP (32/64bit)
Download PC Reviver - Fix Uplay_r1_loader64.dll Error
Uplay API r1 loader
The file uplay_r1_loader64.dll is a 64bit Windows DLL module for Uplay software or other related programs. The file is also referred as ubiorbitapi_r1_loader64.dll. The file and the associated Uplay software was developed by Ubisoft. The file was licensed as (c) Ubisoft.
uplay_r1_loader64.dll file is a critical component for the software to work properly and without any dll error messages. You may receive an error message like the ones below that indicates the file is not found, damaged, or the wrong version.
- This application failed to start because uplay_r1_loader64.dll was not found.
- The file uplay_r1_loader64.dll is missing or corrupted.
- A required component is missing: uplay_r1_loader64.dll. Please install the application again.
- Error loading uplay_r1_loader64.dll. The specified module could not be found.
- The program can't start because uplay_r1_loader64.dll is missing from your computer. Try reinstalling the program to fix this problem.
To fix the error, you need to copy the missing uplay_r1_loader64.dll file to your system or replace the corrupted dll file with a working one by following the instructions below. The current version of dll file available on our site is 4.4.0.2817 with a size of 515.8KB.
You can download uplay_r1_loader64.dll for free from the download section on this page. After you download the compressed file, unzip it to a convenient location on your computer. In order to fix dll related errors, you need to copy the .dll file to the installation folder of the application or game, or install .dll file directly to Windows (Windows XP, Vista, Windows 7, Windows 10).
Install DLL File to Program Folder
Uplay_r1.dll 64 Bit Download
Copy the extracted uplay_r1_loader64.dll file to the installation folder of the application or game.
Check if the problem is solved. If the problem persists or you are not sure which software is having problems, install the .DLL file directly to Windows.
Register DLL File Using Microsoft Regsvr
Copy the file to 'C:WindowsSystem32'
You can install the .dll file in both system folders without any problems. In order to complete this step, you must run the Command Prompt as administrator.
Open the Start Menu and before clicking anywhere, type 'cmd' on your keyboard.
Right-click the 'Command Prompt' search result and click the 'Run as administrator' option.
Paste the following command into the Command Line window that opens up and press Enter key.
%windir%System32regsvr32.exe uplay_r1_loader64.dll
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