Prototype 2 Failed To Save Data Fix -

Some users report the legit Steam version has a save bug; applying the save fix from an older “NoDVD” release (just the steam_api.dll and save folder structure) resolves it. This is technically a crack, so only do this if you own the game legally and accept the risks.

If nothing works, start fresh with proper permissions. prototype 2 failed to save data fix

The game often lacks the necessary permissions to write new files to your system. Some users report the legit Steam version has

Windows Security sometimes blocks Prototype 2 from accessing your storage as a ransomware protection measure. prototype 2 failed to save data fix

Below is a comprehensive guide to the most effective community-proven fixes for the Prototype 2 save bug. 1. Allow Through "Controlled Folder Access"