Prototype 2 Failed To Save Data Fix Instant

Delete config.cfg from Documents\Activision\Prototype 2\ . The game will recreate it.

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Make sure your game data is in the right place. prototype 2 failed to save data fix

The development team identified two primary contributing factors to the failure:

Alternatively, you can temporarily turn off Controlled Folder Access entirely to see if it resolves the issue. 4. Fix OneDrive Document Syncing Conflicts Delete config

Fortunately, this is a well-documented issue caused by how the aging game interacts with modern Windows permissions, OneDrive syncing, and administrative privileges.

try const res = await fetch('/api/proto2', method: 'POST', headers: 'Content-Type': 'application/json' , body: JSON.stringify(payload) ); if (!res.ok) const err = await res.text(); throw new Error(`Save failed: $res.status $err`); try const res = await fetch('/api/proto2', method: 'POST',

If is ON, click Allow an app through Controlled folder access and add prototype2.exe to the list. 5. The "New User Account" Fix

Click Change settings for all users at the bottom and check Run this program as an administrator there as well.

Right-click the on your desktop (or the prototype2.exe file in your installation directory). Select Properties . Navigate to the Compatibility tab. Check the box next to Run this program as an administrator . Click Apply and then OK . Launch the game and attempt to save. 2. Configure Windows Controlled Folder Access

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