Prototype 2 Failed To Save Data Fix Exclusive Access

Fix: Prototype 2 Fails to Save Data (Exclusive) — Step-by-step guide

Assumptions

• "Prototype 2" refers to a software prototype or feature branch in your codebase (not a specific product).
• "Failed to save data" means writes (to DB, file, or API) are not persisting.
• "Exclusive" implies a single-writer or mutex/locking requirement (only one process should write at a time).

Summary of action items (priority order)

. This ensures Windows doesn't block the save-write operation at a system level. Compatibility Mode : While in this menu, set the compatibility mode to Steam Community The "New Game" Loading Workaround prototype 2 failed to save data fix exclusive

2. Disable Windows “Controlled Folder Access” (Exclusive to Prototype 2)

Prototype 2 attempts to write to Documents\Activision\Prototype 2\ and the Steam userdata folder simultaneously. Controlled Folder Access blocks one of these writes. Fix: Prototype 2 Fails to Save Data (Exclusive)

1. Close the game.
2. Move C:\Users\[You]\Documents\Activision\Prototype2 to a new folder (e.g., D:\Prototype2_Saves).
3. Open Command Prompt as Admin and run:

   mklink /J "%USERPROFILE%\Documents\Activision\Prototype2" "D:\Prototype2_Saves"
   

4. The game will now write to the new location without knowing the difference.

Choose "I don't have this person's sign-in information" followed by "Add a user without a Microsoft account". Elevate to Administrator: Change the new account's type to Administrator. Sign Out of OneDrive: "Prototype 2" refers to a software prototype or

Log into that account and launch the game. This often bypasses pathing issues caused by special characters in your primary username or OneDrive integration. 5. Third-Party Fixes