Prototype 2 Failed To Save Data Fix ✧

: Click "Allow an app through Controlled folder access" > Add an allowed app > Browse all apps .

If you have leftover files from a previous installation or Prototype 1 , they may cause a "failure accessing storage device" error.

: In your Steam Library , right-click Prototype 2 > Manage > Browse local files . prototype 2 failed to save data fix

: Navigate to your installation folder and select prototype2.exe to whitelist it. 3. Clear Old Save Conflicts

: Check the box for "Run this program as an administrator" and click Apply . 2. Configure Controlled Folder Access : Click "Allow an app through Controlled folder

If you're seeing the "Failed to save data" message in Prototype 2 , you're likely dealing with a permissions conflict or a core-affinity issue common to older PC ports running on modern hardware. This error can prevent you from starting a new game or progress from being recorded. 1. Run as Administrator

: Move any existing files to a backup folder on your desktop, then delete them from the original folder to let the game create a clean save. 4. Limit CPU Core Affinity : Navigate to your installation folder and select prototype2

The most common cause is that the game lacks the necessary permissions to write to your Documents folder.

: Search for "Controlled folder access" in the Windows Start menu.

Prototype 2 often fails or crashes on modern CPUs with high core counts (typically more than 4 or 8 cores). Failed to save data message preventing play