Prototype 2 Failed To Save Data Fix [new] -
Because Prototype 2 was released in 2012, its saving mechanisms are highly optimized for Windows 7. Running the game in compatibility mode forces Windows 10 or Windows 11 to emulate the older operating system environment. Right-click prototype2.exe and open Properties . Step 2: Navigate to the Compatibility tab.
Some AVs (Avast, AVG, Bitdefender) block write access to Documents . Add the game folder to your AV’s exclusion list.
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is notorious for crashing or failing tasks on modern CPUs with many cores (more than 4 or 8). This instability can sometimes interfere with the save process. Temporary Fix: While the game is running, open Task Manager , go to the tab, right-click prototype2.exe Set Affinity , and uncheck all but 4 CPU cores. Permanent Fix: Use a community mod like the Prototype2Fix on PCGamingWiki , which automates these stability fixes. 5. Clear Old Save Data prototype 2 failed to save data fix
Open your , right-click Prototype 2 , select Manage , and click Browse local files .
Look for a folder named . If it does not exist, right-click, select New > Folder , and name it Activision .
: Launch Prototype 2 and attempt to create a save slot. Because Prototype 2 was released in 2012, its
Other third-party antivirus programs (Avast, AVG, McAfee) might flag prototype2.exe and block it from writing to the disk. Open your antivirus software. Check the quarantine or blocked programs list. Add prototype2.exe to the . 6. Edit the Game Configuration (Advanced)
: Scroll down to Controlled folder access and click Manage Controlled folder access .
Ultimate Guide to Fixing Prototype 2 "Failed to Save Data" Error Step 2: Navigate to the Compatibility tab
In 90% of reported cases, the error is caused by a missing legacy DirectX component.
Add prototype2.exe to the "Allowed apps" list in Windows Security.
The error is frustrating but almost always fixable. Start with Run as Administrator and Controlled Folder Access —these solve 80% of cases. For stubborn issues, permissions and compatibility mode will do the trick.
Note: If you don’t see an “Activision” folder, you haven’t successfully saved yet. If you do, look for profile.bin and savegame.sav .
How to Fix the Infuriating "Failed to Save Data" Error in Prototype 2