Prototype 2 Failed To Save Data Fix Exclusive

Distributed lock service (for multi-service/multi-host systems)

If you are stuck in this saving loop, the issue is rarely a corrupted game installation. Instead, it is almost always caused by how modern Windows operating systems handle folder permissions, user accounts, and antivirus protection.

Modern Windows security or cloud syncing can block the game's save requests.

Database transaction + row-level exclusive lock (recommended for relational DBs) prototype 2 failed to save data fix exclusive

An existing corrupted save slot can freeze the saving engine, preventing new data from being written. Press Windows Key + E to open File Explorer. Navigate to your folder. Look for the Activision or Prototype 2 folder.

: Go to Documents\Activision\Prototype 2 . Right-click the folder, select Properties , and ensure the "Read-only" attribute is unchecked. 2. Windows Security & OneDrive Conflicts

The community-developed Prototype 2 Fix mod on or Nexus Mods can resolve multiple stability issues, including save errors and resolution bugs, by modifying the game's internal .ini files. Failed to save data message preventing play Look for the Activision or Prototype 2 folder

Installing older games directly into C:\Program Files (x86) subjects them to strict Windows security protocols. If the above steps fail, uninstall the game and reinstall it to a secondary drive (e.g., D:\Games\Prototype 2 ) to bypass system-level write restrictions entirely.

The built-in Windows Defender Ransomware Protection often stops the game from creating save files in your Documents folder. Open the Windows and type Windows Security . Click on Virus & threat protection . Scroll down and click on Manage ransomware protection .

Navigate to your Prototype 2 installation folder (usually located under C:\Program Files (x86)\Steam\steamapps\common\Prototype 2 ). : Right-click prototype2.exe

If you are playing on Steam, the Steam Cloud sync often fights with the local save file, corrupting it.

Are you playing the game through or a different launcher? Do you use OneDrive to backup your Documents folder?

: Right-click prototype2.exe , go to Properties > Compatibility , and check "Run this program as an administrator".

: Navigate to your Documents folder, right-click the Activision (or Prototype 2 ) folder, and ensure "Read-only" is unchecked.

To help narrow down the exact cause for your setup, let me know: Which are you running (Windows 10 or 11)?