Prototype 2 Failed To Save Data Fix Fixed

In the same menu, click Manage settings under Virus & threat protection settings .

Access the pause menu immediately after the opening cinematic or checkpoint. Select and choose an empty slot.

Scroll down and click on Manage ransomware protection .

For extra stability, also check the box for and select Windows 7 from the dropdown menu.

Name the new profile, change its profile group to , and log into it to run your game cleanly. Prototype 2 Save Game Settings Summary prototype 2 failed to save data fix

OneDrive often moves your personal Documents directory to a dynamic cloud address ( %USERPROFILE%\OneDrive\Documents ). Prototype 2 cannot read cloud paths and drops save functions instantly.

If you use a third-party antivirus program (like Avast, AVG, Bitdefender, or Kaspersky), its real-time scanning engine might be locking the Prototype 2 save directory to protect it from perceived threats. Open your antivirus dashboard.

Right-click the .exe , select , and go to the Compatibility tab. Check Run this program as an administrator .

Note: You must repeat this step every time you launch the game, or use a third-party tool like Bill2's Process Manager or a custom Steam launch script to make it permanent. Final Verification Checklist In the same menu, click Manage settings under

If your Documents folder is syncing with OneDrive, it can cause "file in use" errors that prevent saving.

Search for in your Windows Start menu.

Ensure your Windows username does not contain special characters or non-English symbols, as Prototype 2 ’s older engine cannot read file paths containing them.

Check the box that says . Click Apply and then OK . Scroll down and click on Manage ransomware protection

Check your save path: C:\Users\YourName\Documents\Activision\Prototype 2\

By applying these fixes, you will lift the restrictions holding back the game engine, allowing you to slice through New York Zero without ever losing your progress again. To help narrow down the exact cause, tell me: Are you using to sync your Documents folder? What version of Windows (10 or 11) are you running?

If the "failed to save data" error is specific to one save file, you're likely dealing with a corrupted slot-X.bin file.