, it is usually caused by a conflict between the game’s old save system and modern Windows security or cloud storage features. Here is the comprehensive guide to fixing the issue. 🛠️ Primary Fixes 1. Disable Windows Controlled Folder Access
If you are trying to save while playing the or with DLC unlocked, the game requires your Steam ID to be present in a specific config file. If this file is missing the ID, the save fails. prototype 2 failed to save data fix exclusive
Because Prototype 2 is an older game, it often fails to save because it doesn't have permission to run properly on modern Windows. , it is usually caused by a conflict