Failed To Save Data Fix [better] | Prototype 2

Right-click Prototype 2 in your Steam Library > Properties > General > toggle off Steam Cloud . 4. CPU Affinity Fix (For High-Core Processors)

Sometimes, a corrupted cloud save file on the Steam servers will repeatedly overwrite your local save data with broken files, resulting in a continuous save failure loop. Open your Steam Library . Step 2: Right-click Prototype 2 and select Properties . Step 3: Under the General tab, find the Steam Cloud toggle. Step 4: Switch the toggle to Off .

Grants necessary permissions to create and modify save files. prototype 2 failed to save data fix

Right-click the folder (or the Prototype 2 folder inside it) and select Properties .

Corrupted or missing installation files can cause save game scripts to fail. Steam has a built-in tool to scan your game files and automatically replace any anomalies. How to verify files: Go to your . Right-click Prototype 2 and choose Properties . Click on the Installed Files (or Local Files ) tab. Click the Verify integrity of game files... button. Right-click Prototype 2 in your Steam Library >

Simply running the shortcut as an administrator is often insufficient; you must apply it to all users. Steam Community Navigate to the game folder and right-click prototype2.exe , then select Properties Compatibility tab and click "Change settings for all users" at the bottom. Check the box for "Run this program as an administrator" , and then Steam Community 3. Check Folder Permissions and OneDrive If your Documents folder is being synced by , it can cause save failures. Steam Community Disable OneDrive: Sign out of OneDrive or disable syncing for the Documents\Activision\Prototype 2 folder before playing. Check Read-Only Status: Navigate to %USERPROFILE%\Documents\Activision . Right-click the Prototype 2 folder, select Properties , and ensure the "Read-only" box is unchecked. 4. Limit CPU Cores

5.2 Incomplete idempotency handling on server Open your Steam Library

Sometimes, the game fails because it cannot create the required folder structure in your Documents directory. Navigate to your folder. Create a new folder named Prototype 2 . Inside that folder, create another folder named SaveData .

Click Add an allowed app > Browse all apps , select prototype2.exe , and confirm. 5. Disable Steam Cloud Synchronization

This message typically appears when the game tries to autosave or when you manually quit. Without a fix, you lose all progress, making the game unplayable.