Windows Defender often blocks the game from creating save files in the %USERPROFILE%\Documents\Activision\Prototype 2 directory. Search for Controlled folder access in your Windows search bar and open it. Allow an app through Controlled folder access Add an allowed app Browse all apps Navigate to your Prototype 2 installation folder and select prototype2.exe 3. Disable OneDrive Syncing
Windows Defender's security settings often block the game from writing files to your Documents folder. Windows Security Virus & threat protection Manage settings , then scroll to Controlled folder access Allow an app through Controlled folder access prototype2.exe from your game's installation folder (e.g., Steam\steamapps\common\Prototype 2 2. Run as Administrator (All Users) prototype 2 failed to save data fix exclusive
: Press Win + R , type msconfig , and hit Enter. Windows Defender often blocks the game from creating