Prototype 2 Failed To Save Data Fix !!exclusive!! Jun 2026

Inside it, create another new folder and name it exactly: Prototype 2

Copy those .sav and .bin files to your desktop as a backup. Then, inside the Prototype 2 folder. Yes, delete it. Corrupted metadata is often the culprit. prototype 2 failed to save data fix

Last updated: April 2026. Works for all versions of Prototype 2 on Windows 10/11, Steam Deck, and older OS. Inside it, create another new folder and name

Before we get into the weeds, try the simplest solution. Right-click your desktop, launch Steam as , then launch Prototype 2 . Play for five minutes, trigger an auto-save, then exit. Does it work? If yes, the issue was permissions. You can permanently set steam.exe and Prototype2.exe to "Run as Administrator" in their properties menu. Corrupted metadata is often the culprit

: Click Add an allowed app and choose Browse all apps .

The most common reason modern systems fail to save is Windows 10/11 "Controlled Folder Access," which blocks the game from writing to your Documents folder. Allow Prototype 2 through Windows Security Windows Security Virus & threat protection Manage settings , then scroll to Controlled folder access Manage controlled folder access Allow an app through Controlled folder access Add an allowed app Navigate to your game folder (usually C:\Program Files (x86)\Steam\steamapps\common\Prototype 2 ) and select prototype2.exe Administrative and Compatibility Permissions

If you cannot load a save, start a New Game , skip the initial cutscenes, then immediately exit to the Main Menu. You should now be able to load your existing save.