As advised on Reddit, ensure Ubisoft Connect is in Offline Mode to stop the Cloud Save from overwriting your new local save with the bugged one. Method 2: Reverting to a Previous Autosave
Right-click the game shortcut, select Properties > Compatibility , and check Run this program as an administrator .
One of the most reliable (though strange) fixes for the door at the end of is to simply lower your difficulty setting.
: The physics engine of The Forgotten Sands was built for 2010 hardware. When run on modern PCs at high frame rates (above 60 FPS), the game’s script triggers misalign. The game processes the button press or cutscene trigger too quickly, causing the door script to fail. prince of persia forgotten sands door bug fix
Oddly, script triggers in this game are tied to the frame rate.
Replace your corrupted save file located in: C:\Users\[Your Username]\Saved Games\Prince of Persia\ or inside your Ubisoft Connect save folder ( C:\Program Files (x86)\Ubisoft\Ubisoft Game Launch\savegames\ ). Fix 4: Run in Compatibility Mode
If your save is permanently corrupted, you can replace it with a clean save from another player who has already passed that section. As advised on Reddit, ensure Ubisoft Connect is
The game physics engine is tied to the frame rate. Modern graphics cards running the game at hundreds of frames per second will consistently break the scripting triggers for doors and pressure plates. completely.
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While console versions received a patch (v1.01), this bug was unfortunately never fixed for the PC (Steam/Ubisoft Connect) version. How to Fix the Observatory Door Bug (PC) : The physics engine of The Forgotten Sands
Other common causes include corrupted auto-saves and anti-piracy DRM triggers misfiring on modern operating systems like Windows 10 and Windows 11. Step-by-Step Fixes for the Door Bug Fix 1: Cap Your Frame Rate to 60 FPS (Most Effective)
The "door bug" in Prince of Persia: The Forgotten Sands typically occurs when a door fails to open after you've pulled a lever or cleared a room, often caused by the game's original DRM or checkpoint save errors. Recommended Fixes Lower the Difficulty
Modern graphics cards run the game at frame rates well above 60 FPS, which breaks the game's physics and event scripting.