The game will think it’s saving to My Documents, but it’s actually writing to a public folder with zero permission restrictions.
If the game save file is corrupted, deleting it might resolve the issue: prototype 2 failed to save data fix exclusive
In the tab, check Run this program as an administrator and Disable fullscreen optimizations . Set the compatibility mode to Windows 7 or Windows 8 . Controlled Folder Access (Windows Defender) : The game will think it’s saving to My
, and check "Run this program as an administrator". Crucially, click "Change settings for all users" click "Change settings for all users"