Your antivirus might be blocking the save process. Add prototype2.exe to your anti-virus exclusion list.
Below is the definitive, step-by-step guide to resolving the error and securing your game progress. 1. Run as Administrator
Sometimes the game simply lacks the permission to write new files to your hard drive.
Real-time protection can block the game from writing .sav files.
Before making any changes, locate your save files to create a manual backup. You will find them in one of these two locations: prototype 2 failed to save data fix exclusive
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Open File Explorer and navigate to your main folder (usually C:\Users\YourUsername\Documents ).
: The executable often launches without write-permissions, rendering it unable to generate a save directory map inside your system drive.
Click and browse to select prototype2.exe . Your antivirus might be blocking the save process
A bizarre but effective fix involves removing certain peripherals that Prototype 2 mistakes for controllers, which freezes the saving process.
Knowing these details will help me pinpoint the exact fix for your PC. Share public link
Follow these methods in order. Start with the most common culprit: Windows Defender. 1. Allow Prototype 2 Through Controlled Folder Access
: Open Prototype 2 and minimize it using Alt + Tab . Open Task Manager : Press Ctrl + Shift + Esc . Before making any changes, locate your save files
Once the fix works, you should see files like savegame0.sav inside Documents\Activision\Prototype2\SaveGames\ . Test by playing for 10 minutes, saving manually, then restarting the game.
TechReanimate Labs Difficulty: Intermediate Estimated Time: 15–30 Minutes
If you're playing on Steam, follow these steps: