Prince Of Persia The Forgotten Sands Upgrade Bug Fix -
Include: platform, patch version, FPS cap status, and whether the bug appears on a new save.
Avoid spending upgrade points immediately before the known bugged section (The Throne Room). Advanced Technical Solutions
: Locate your save game directory (often in Application Data\storage\SKIDROW\11 for some versions). Try renaming your current save (e.g., 4.save to 4.bak ) to force the game to re-index its save states. prince of persia the forgotten sands upgrade bug fix
Use the Prince of Persia: The Forgotten Sands Save Editor (search GitHub for “Prince of Persia TFS Save Editor”). Load your save, check the “Unlock All Skills” box, and click “Fix Checksum.”
If you are currently staring at a frozen screen or an empty room where a cutscene should be, try these steps in order: 1. Disable V-Sync and Cap Frame Rate Include: platform, patch version, FPS cap status, and
Do not uninstall the game. Follow the 60 FPS cap on PC, perform the cache reset on Xbox, or use the save editor as a last resort. Ubisoft has long abandoned patches for this title, but the community has kept the Prince running for over a decade.
Windows 10 and 11 often struggle with the DRM and script handling of 2010-era Ubisoft titles. Try renaming your current save (e
If the bug occurs before any upgrades are possible (e.g., after the first orb collection), and none of the above work, restarting the campaign is the only guaranteed fix. Use a to get back to your point quickly.
The Upgrade Bug manifests in several ways, all centering around the in-game upgrade menu where Prince spends "Experience Spheres" to unlock new sword combos, health upgrades, and elemental powers.
When the game was ported to PC, it was optimized for the operating systems of 2010 (Windows XP, Vista, and Windows 7). As Microsoft rolled out Windows 8, 8.1, and eventually Windows 10 and 11, changes to the file permission structures and user account control (UAC) broke how the game writes data to its save folders.
Do not just restart the game. Perform a full power cycle.