: Right-click prototype2.exe , select Properties , and go to the Compatibility tab.
: Search for "Controlled folder access" in the Windows Start menu.
: Go to %UserProfile%\Documents\Activision\Prototype 2 . prototype 2 failed to save data fix
If you have leftover files from a previous installation or Prototype 1 , they may cause a "failure accessing storage device" error.
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 : Right-click prototype2
: 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 If you have leftover files from a previous
: 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