You may receive an error message like the ones below that indicates the file is not found or damaged.
Uplay_r1.dll file is a critical component for the software to work properly without any problems. The file and the associated Uplay software was developed by Ubisoft. The file is also referred as ubiorbitapi_r1.dll. The file uplay_r1.dll is a 32bit Windows DLL module for Uplay or other related programs.