Prototype 2 Failed To Save Data Fix !!exclusive!! -

If the quick fixes failed, your issue is likely permission-based or related to Windows security virtualization.

Click . A prompt will appear; choose Apply changes to this folder, subfolders and files and click OK . Verifying the Fix

Add the entire Prototype 2 root installation folder (usually found under Steam\steamapps\common\Prototype 2 ) to the exclusion list. prototype 2 failed to save data fix

The data save failure in Prototype 2 has been resolved via Build v0.2.1-hotfix. The root causes (serialization logic and file pathing) have been addressed, and rigorous testing confirms that data persistence is now stable. The team is proceeding with development on Prototype 3 with updated protocols to prevent recurrence.

The most common cause of this error is Windows Defender blocking the game from writing to your Documents folder. If the quick fixes failed, your issue is

Check the box next to Run this program as an administrator .

Corrupted game files can prevent saving functions from triggering correctly. You can easily verify your installation through Steam. Open your . Right-click Prototype 2 and choose Properties . Select the Installed Files tab. Click Verify integrity of game files . Verifying the Fix Add the entire Prototype 2

If is turned turned off, skip to the next fix. If it is turned on, click Allow an app through Controlled folder access . Click Add an allowed app and select Browse all apps .

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