There are few things more agonizing in gaming than spending hours consuming targets, evolving your powers, and dismantling the Blackwatch in Prototype 2 , only to be greeted by a soul-crushing message:
Switch to this new user, launch Steam (or your launcher), and start Prototype 2 .
Prototype 2 was designed for older hardware and often fails to handle modern CPUs with high core counts (typically more than 4 or 8 cores), leading to crashes and save corruption. Launch the game. prototype 2 failed to save data fix exclusive
The saving glitch in Prototype 2 usually stems from file permission conflicts, modern Windows security features, or compatibility issues with high-core-count processors. Because the game was released in 2012, its file management system often struggles to interact correctly with Windows 10 and Windows 11 administrative protocols. Core Fixes for "Failed to Save Data" 1. Enable Administrator Privileges
: If you use Windows Defender, go to Virus & threat protection settings > Manage Controlled folder access . Click "Allow an app through Controlled folder access" and add prototype2.exe to the list. There are few things more agonizing in gaming
The game lacks permission to create save directories.
: While the game is running, open Task Manager, right-click prototype2.exe , select Set Affinity , and uncheck all but 4 cores . The saving glitch in Prototype 2 usually stems
Ultimate Fix: How to Resolve Prototype 2 "Failed to Save Data" Error