To fix the "Failed to Save Data" error in Prototype 2 , you typically need to address administrative permissions or conflicts with modern Windows features like OneDrive. 1. Enable Full Administrator Rights
Permissions are the most common cause. You must ensure the game has full rights to write to your Documents folder.
Locate the game executable (prototype2.exe) in your installation folder (usually under Steam\steamapps\common\Prototype 2). Right-click it and select Properties > Compatibility. Check Run this program as an administrator.
Crucial Step: Click Change settings for all users at the bottom and check Run this program as an administrator there as well. 2. Troubleshoot OneDrive & Save Paths
The game looks for its save folder at %USERPROFILE%\Documents\Activision\Prototype 2. If you use OneDrive, it may move this folder to a cloud path the game can't reach.
Sign out of OneDrive temporarily to see if it restores local access to your Documents folder.
Manually check if the folder Activision\Prototype 2 exists in your local Documents. If it does and saving still fails, try deleting any old or corrupt save files within that folder. 3. Use Compatibility Mode
Modern Windows versions can sometimes block the game’s outdated saving calls.
In the same Compatibility tab as step 1, check Run this program in compatibility mode for and select Windows 7 or Windows 8.
Some players also find success by checking Disable fullscreen optimizations. 4. Windows Defender "Controlled Folder Access"
Windows may be blocking the game from writing to your Documents folder as a security measure. prototype 2 failed to save data fix
Go to Windows Security > Virus & threat protection > Manage ransomware protection.
If Controlled folder access is ON, click Allow an app through Controlled folder access and add prototype2.exe to the list. 5. The "New User Account" Fix
If all else fails, a known community workaround is to create a new Windows User Account with Administrator privileges and play the game from there. This often bypasses deep-seated permission or pathing issues on your primary profile.
Note: If your game is also crashing or running poorly, consider limiting the game to 4 CPU cores using a batch file or the Prototype2Fix mod available on PCGamingWiki.
The "failed to save data" error in Prototype 2 on PC is typically caused by Windows folder protection, permission issues, or modern hardware conflicts (high CPU core counts). Primary Fixes Allow Through Controlled Folder Access
: Windows Security often blocks the game from writing to your Documents folder. Search Windows for "Controlled folder access." Allow an app through Controlled folder access Add an allowed app Browse all apps prototype2.exe in your game installation folder. Run as Administrator (All Users) : Basic "Run as admin" may not be enough. Right-click prototype2.exe in your install folder and select Properties Compatibility tab and click Change settings for all users Run this program as an administrator , then click Apply and OK. Sign Out of OneDrive : OneDrive can interfere with the
folder where save files are stored. Try signing out of OneDrive before launching the game. Steam Community Secondary Solutions Failed to save data message preventing play
The "failed to save data" error in Prototype 2 is typically caused by Windows folder protection, permission conflicts, or issues with OneDrive syncing. Below are the most effective solutions to fix this issue: 1. Allow Through Controlled Folder Access Windows Security often blocks the game from writing to the Search for "Controlled folder access" in the Windows Start Menu and open it. "Allow an app through Controlled folder access" "Add an allowed app" and browse to the game's executable ( prototype2.exe ) in your installation folder (usually C:\Program Files (x86)\Steam\steamapps\common\Prototype 2 2. Run as Administrator (Global Settings)
Simply running the shortcut as an administrator is often insufficient; you must apply it to all users. Steam Community Navigate to the game folder and right-click prototype2.exe , then select Properties Compatibility tab and click "Change settings for all users" at the bottom. Check the box for "Run this program as an administrator" , and then Steam Community 3. Check Folder Permissions and OneDrive If your Documents folder is being synced by , it can cause save failures. Steam Community Disable OneDrive: Sign out of OneDrive or disable syncing for the Documents\Activision\Prototype 2 folder before playing. Check Read-Only Status: Navigate to %USERPROFILE%\Documents\Activision . Right-click the Prototype 2 folder, select Properties , and ensure the "Read-only" box is unchecked. 4. Limit CPU Cores
Prototype 2 often fails to save or crashes on modern PCs with more than 4 or 8 cores. To fix the "Failed to Save Data" error
How to Fix the Infuriating "Failed to Save Data" Error in Prototype 2
Few things are more frustrating than tearing through NYZ as James Heller, only to find your progress wiped by a "Failed to Save Data" error. Because Prototype 2 is an older title, it often clashes with modern Windows security features and high-core-count processors.
Below is a comprehensive guide to the most effective community-proven fixes for the Prototype 2 save bug. 1. Allow Through "Controlled Folder Access"
The most common cause of this error is Windows Defender blocking the game from writing to your Documents folder.
Step 1: Open Windows Security (search for it in the Start menu). Step 2: Go to Virus & threat protection > Manage settings.
Step 3: Scroll down to Controlled folder access and click Manage Controlled folder access.
Step 4: Click Allow an app through Controlled folder access > Add an allowed app.
Step 5: Browse to your game’s installation folder (typically C:\Program Files (x86)\Steam\steamapps\common\Prototype 2) and select prototype2.exe. 2. Run as Administrator
Permissions issues can prevent the game from creating its save directory.
Prototype 2 Failed to Save Data Fix: A Step-by-Step Guide Fixing the Issue To resolve the "failed to
Are you experiencing issues with Prototype 2 failing to save your data? You're not alone. Many players have encountered this frustrating problem, but fortunately, there are solutions available. In this post, we'll walk you through a step-by-step guide on how to fix the "failed to save data" issue in Prototype 2.
Understanding the Issue
Prototype 2, an action-adventure game developed by Radical Entertainment, allows players to explore an open world and upgrade their character's abilities. However, some players have reported that their game fails to save data, resulting in lost progress and frustration.
Causes of the Issue
The "failed to save data" issue in Prototype 2 can be caused by several factors, including:
Fixing the Issue
To resolve the "failed to save data" issue in Prototype 2, try the following solutions:
If you bought Prototype 2 on GOG rather than Steam, you have a unique problem. The GOG version is notoriously DRM-free, but its cloud sync implementation is fragile. If you see the “failed to save” error on GOG:
savegame.sav file in your Documents folder.Navigate to:
Documents\Activision\Prototype2\
Prototype2 folder → Properties → Security → Ensure your user has Full control.If nothing works, start fresh with proper permissions.
C:\Users\[YourUsername]\Documents\Activision\Prototype 2C:\Program Files (x86)\Steam\steamapps\common\Prototype 2 (or GOG equivalent)C:\Users\[YourUsername]\AppData\Local\Activision\Prototype 2 (if exists)D:\Games\Prototype 2).