This error ("Ubisoft Game Launcher not found") is extremely common with Prince of Persia: The Forgotten Sands , especially on modern versions of Windows (10 and 11). It happens because the game was released before the current "Ubisoft Connect" launcher existed, so the game looks for an old, obsolete launcher that is no longer installed by default.
is a classic case of modern software outlasting its original infrastructure. This issue primarily stems from the game looking for a version of the Ubisoft Game Launcher (now Ubisoft Connect This error ("Ubisoft Game Launcher not found") is
typically occurs because the modern Ubisoft Connect client has replaced the legacy launcher the game expects. Quick Fixes for the Launcher Error This issue primarily stems from the game looking
If the basic installation doesn't work, community members and official support suggest these deeper fixes: How To Fix Ubisoft Connect Launcher Not Working / Opening When a player bought the game on Steam
For most modern games, this transition was seamless. But Prince of Persia: The Forgotten Sands had a fatal flaw: its executable file ( Prince of Persia.exe ) was looking for a program that no longer existed in the official ecosystem. When a player bought the game on Steam or dusted off an old DVD, the game would try to phone home to a disconnected line, fail to find the launcher, and promptly crash.
Completely uninstall your current Ubisoft Connect client. Go to the official Ubisoft Connect website and download the latest installer.