Prototype 2, developed by Radical Entertainment and published by Activision, was released in 2012 to mixed reviews. While the game received praise for its improved gameplay mechanics and open-world design, many players encountered technical issues, including the "failed to save data" error. This problem occurs when the game is unable to save your progress, resulting in lost data and a frustrating experience.

. This ensures Windows doesn't block the save-write operation at a system level. Compatibility Mode : While in this menu, set the compatibility mode to Steam Community The "New Game" Loading Workaround prototype 2 failed to save data fix exclusive

This fix exploits a loophole in Prototype 2 ’s DRM (it originally used SolidShield, which was removed but left ghost hooks). Search for in the Windows Start menu

Search for in the Windows Start menu. Select "Allow an app through Controlled folder access" . many players encountered technical issues

Find your game folder (usually Steam\steamapps\common\Prototype 2 ). Right-click prototype2.exe and select . Go to the Compatibility tab. Check Run this program as an administrator .