Third-party antivirus suites (such as Avast, Bitdefender, or McAfee) often block older games from creating or changing files. Open your specific antivirus user interface. Locate the , Exceptions , or Exclusions menu.
Are you playing the game through or a different launcher? Do you use any mods or widescreen fixes for the game? prototype 2 failed to save data fix
The Prototype engine (Titanium engine) notoriously breaks down on modern CPUs featuring more than 4 or 8 cores, causing crashes, memory leaks, and save corruption. Limiting the game to fewer CPU threads can stabilize the save mechanics. Launch Prototype 2 . Press Ctrl + Shift + Esc to open the . Go to the Details tab. Right-click prototype2.exe and select Set affinity . Uncheck All Processors . Third-party antivirus suites (such as Avast, Bitdefender, or
Navigate to your Prototype 2 installation directory, select prototype2.exe , and click . 3. Exclude the Game Folder from Antivirus Scans Are you playing the game through or a different launcher