Prototype 2 Failed To Save Data Fix Exclusive Here

If you are still having trouble, consider checking if you have over 8 cores in your system. What have you tried so far? Steam Community

The most common cause is Windows blocking the game from writing files to your Hard Drive.

Right-click the .exe and select Run as Administrator . Disable Controlled Folder Access: Go to Windows Security > Virus & threat protection . Click Manage ransomware protection .

: Use the Steam client to verify game files if the game crashes during the save attempt. prototype 2 failed to save data fix exclusive

Because Prototype 2 lacks a robust auto-save recovery system, the best fix is prevention. Once you get the game saving again, employ the .

Prototype 2 uses an old file I/O system that modern NVMe SSDs sometimes process too fast , causing a timeout error that the game interprets as "Failed to Save Data."

Under , click Allow an app through Controlled folder access . If you are still having trouble, consider checking

Right-click prototype2.exe in your Steam library files and select .

Uncheck and select only CPU 0, CPU 1, CPU 2, and CPU 3 . Click OK , return to the game, and try saving.

Open File Explorer and navigate to your main folder (usually C:\Users\YourUsername\Documents ). Right-click the

Select and click Open to authorize write permissions.

Windows 10 and 11 feature a security setting called Controlled Folder Access. This protects your folders from ransomware but often blocks older games from saving.

Go to (gear icon) and click Pause syncing . Select a timeframe like "2 hours."

If you're playing on Steam, follow these steps: