Restricted permissions can block the launcher from communicating with the game. How To Fix Ubisoft Connect Launcher Not Working / Opening
Detailed Review: Prince of Persia: The Forgotten Sands (2010)
Fast forward to the mid-2010s. Ubisoft revamped their ecosystem. The old "Ubisoft Game Launcher" was retired and replaced by Uplay, and eventually, Ubisoft Connect. The servers for the old launcher were taken offline. The software was scrubbed from official download sources.