Prototype 2 Failed To Save Data Fix | Exclusive |

The game often fails to save because Windows blocks it from writing to your "Documents" folder.

Windows Defender often blocks older games from writing to the "Documents" folder, which is where Prototype 2 stores save data. Open > Virus & threat protection .

To prevent similar issues in future prototypes, the following measures are recommended:

Some users have reported success by forcing the game to use a specific display mode, which ironically fixes the saving issue. Navigate to Documents\Prototype 2 . prototype 2 failed to save data fix

Check for a folder named . If it is missing, create a main folder named Activision and a subfolder inside it named Prototype 2 .

The installation script occasionally fails to generate the required folders manually.

Ultimate Guide to Fixing the "Prototype 2 Failed to Save Data" Error The game often fails to save because Windows

Navigate to C:\Users\[Your Username]\Documents\Activision\Prototype 2 and delete any corrupted, zero-byte profile or save files.

Right-click the Prototype 2 folder (inside Activision ). Select . At the bottom, under “Attributes,” uncheck Read-only . Click Apply . Check the box that says “Apply changes to this folder, subfolders, and files.” Click OK.

Prototype 2 was designed for dual and quad-core CPUs. Running it on modern 8+ core CPUs can cause crashes and save failures. Failed to save data message preventing play To prevent similar issues in future prototypes, the

Open your Steam library, right-click on , hover over Manage , and select Browse local files . Locate the main game executable file named prototype2.exe . Right-click prototype2.exe and select Properties . Navigate to the Compatibility tab.

Click Apply and then OK . Launch the game directly from the folder or via Steam to see if it saves. 2. Configure Windows Defender / Controlled Folder Access