Prototype 2 Failed To Save Data Fix 'link' May 2026

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

How to Fix Prototype 2 "Failed to Save Data" on Windows 10/11 prototype 2 failed to save data fix

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 : Click "Allow an app through Controlled folder

If you have leftover files from a previous installation or Prototype 1 , they may cause a "failure accessing storage device" error. : Move any existing files to a backup

Windows Security sometimes blocks Prototype 2 from accessing your storage as a ransomware protection measure.

: 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