astral carbon
can you verify that you copied/replaced all of the following files?:
defaultargs.dll
RainbowSix.bat
steam_api64.dll
steam_appid.txt
upc_r2_loader.dll
upc_r2_loader64.dll
uplay_r2.ini
if not, re-download the bundle from #old-guides-and-faqs-mega-bugged message
grave garden