Prototype 2 Failed To Save Data Fix

Windows 10 and 11 feature a security tool called Controlled Folder Access. This tool stops unauthorized applications from modifying files inside your core folders (like Documents). Because Prototype 2 is an older title, Windows often flags its save attempts as suspicious ransomware activity.

If this works, go into OneDrive settings and exclude the Documents\Activision folder from cloud backups, or turn off the Desktop/Documents backup feature entirely while gaming. Summary Checklist

If Controlled folder access is toggled On , click Allow an app through Controlled folder access .

The "failed to save data" error in Prototype 2 is usually caused by modern Windows security settings (Controlled Folder Access), administrative privilege issues, or the game's incompatibility with high-core-count CPUs. Run as Administrator:

Access the pause menu immediately after the opening cinematic or checkpoint. Select and choose an empty slot. prototype 2 failed to save data fix

If you are reading this, you have likely lost hours of progression. You are not alone. The "Prototype 2 failed to save data" error is a persistent, frustrating bug that has plagued the PC port (and to a lesser extent, console versions) for over a decade. This article is the definitive guide to understanding why this happens and, more importantly, how to fix it permanently.

Prototype 2 was coded for older file architectures. Often, the game fails to automatically create its required save folder upon installation. Creating it manually usually bypasses the error immediately. Press Windows Key + E to open File Explorer.

High core counts on modern CPUs (Ryzen/Intel) cause engine-level instability and save failures. Delete or move profile.bin from the save directory.

Check the box to and select Windows 7 or Windows 8 from the dropdown menu. Click Apply and select OK to preserve your configurations. Method 4: Clear Read-Only Directory Attributes Windows 10 and 11 feature a security tool

If DirectX is intact, the issue lies in Windows denying write access.

Add prototype2.exe to the "Allowed apps" list in Windows Security.

Look for a folder named . If it does not exist, right-click, select New > Folder , and name it Activision . Open the Activision folder.

If your Documents folder is on a network drive or read-only, move saves to a local folder: If this works, go into OneDrive settings and

Open the Windows Start menu and type , then press Enter. Click on Virus & threat protection . Scroll down and click on Manage ransomware protection .

Alternatively, temporarily disable to verify if security software is the cause. 2. Run as Administrator & Compatibility Mode Navigate to the game's installation folder. Right-click prototype2.exe and select Properties . In the Compatibility tab, check: Run this program as an administrator .

Open and navigate to your standard Documents folder.