If you're only interested in playing the single-player campaign, you can try disabling Uplay's online features:
: Find the folder where your game is installed. The default location is usually C:\Program Files (x86)\Ubisoft\Ubisoft Game Launcher\games\Blacklist . splinter+cell+blacklist+without+uplay+full
Players report three major frustrations: If you're only interested in playing the single-player