Sign out of OneDrive before launching the game to prevent it from "locking" the Documents folder during a sync. 3. Tackle the "Profile.bin" Corruption Guide :: Prototype 2 Corrupt Save slot/Unable to save FIX
Check the box for (this also helps prevent random crashes). Click Apply and OK . 4. Fix OneDrive Sync Interference prototype 2 failed to save data fix exclusive
The “Failed to Save Data” error happens because Prototype 2 is a game designed for Windows 7/8 (released in 2012) that struggles to run on modern Windows 10 and 11 hardware. The issues are usually due to conflicts between the game’s old save system and new security features, high-core-count CPUs, or specific driver permissions. Sign out of OneDrive before launching the game
: Some users find that creating a fresh Local Windows User Account with Administrator rights bypasses corrupt profile permissions and OneDrive interference. Click Apply and OK