If you haven't already, download and install the latest Ubisoft Connect from the official Ubisoft website. Log in with the account where you own the game. Do not launch the game yet.
Right-click the main game executable ( PrinceOfPersia.exe ) and select Properties > Compatibility > Check "Run this program as an administrator" . Click OK. If you haven't already, download and install the
A 2026 Guide to Resurrecting a Classic
For players on brand new Windows 11 or Windows 12 machines in 2026, this error has become the final boss. The game itself isn't the problem—the skeleton of outdated DRM (Digital Rights Management) is. This article will explain why this happens on new systems and provide the definitive, step-by-step solutions to get the Prince climbing walls again. To understand the fix, you must understand the history. When Prince of Persia: The Forgotten Sands launched in May 2010, Ubisoft was deeply invested in a controversial online-only DRM system. The game required a separate piece of software—the Ubisoft Game Launcher (now evolved into Ubisoft Connect )—to verify your license even for single-player mode. Right-click the main game executable ( PrinceOfPersia
The answer is economic reality. Prince of Persia: The Forgotten Sands was a commercial success, but it is not a live-service game. Ubisoft’s engineering teams no longer have the budget to patch 16-year-old DirectX 9 games. They have moved on to Assassin’s Creed: Hexe , The Division: Heartland , and Beyond Good and Evil 2 . The game itself isn't the problem—the skeleton of
Prince of Persia: The Forgotten Sands deserves to be played. Its elemental powers (water, stone, wind) and massive set-pieces remain breathtaking. Do not let a dead launcher stand between you and the Prince.
Fix the error, disable the DRM, and enjoy the climb. The sands have not run out yet.