Prototype 2 often fails to save or crashes on modern PCs with more than 4 or 8 cores.
Click , select Folder , and choose the main Prototype 2 installation folder. Disable Steam Cloud Synchronization prototype 2 failed to save data fix
Windows Defender blocks the game from writing files to your user profile directory. Prototype 2 often fails to save or crashes
The game looks for its save folder at %USERPROFILE%\Documents\Activision\Prototype 2 . If you use OneDrive, it may move this folder to a cloud path the game can't reach. prototype 2 failed to save data fix
Check the box that says . Click Apply and then OK . Whitelist the Game in Windows Defender / Antivirus
Below are the most effective, step-by-step solutions to fix this error and get your game saving properly. Run the Game as an Administrator