Fix: Prototype 2 Failed To Save Data

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?

Prototype 2 often fails or crashes on modern CPUs with high core counts (typically more than 4 or 8 cores). Failed to save data message preventing play

The Prototype engine (Titanium engine) notoriously breaks down on modern CPUs featuring more than 4 or 8 cores, causing crashes, memory leaks, and save corruption. Limiting the game to fewer CPU threads can stabilize the save mechanics. Launch Prototype 2 . Press Ctrl + Shift + Esc to open the . Go to the Details tab. Right-click prototype2.exe and select Set affinity . Uncheck All Processors . prototype 2 failed to save data fix

Existing corrupted files can prevent new data from being written. Steam Community Failed to save data message preventing play

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. By applying these fixes, you will lift the

Microsoft OneDrive automatically syncs your Documents folder to the cloud. If OneDrive syncs at the exact millisecond Prototype 2 tries to write a save file, a file-sharing conflict occurs. The game gets locked out, resulting in a failed save. Click the OneDrive cloud icon in your Windows taskbar tray. Click the gear icon ().

Navigate to the following folder in Windows File Explorer: C:\Users\[YourUserName]\Documents\Activision\Prototype 2 Prototype 2 often fails or crashes on modern

Make sure your game data is in the right place.