Click . A prompt will ask if you want to apply this to all subfolders and files. Select Yes and click OK . Summary Checklist
If you are seeing the "Failed to Save Data" error in Prototype 2
Go back to the tab in the prototype2.exe Properties window.
If is turned on, click Allow an app through Controlled folder access . Click Add an allowed app and select Browse all apps . prototype 2 failed to save data fix exclusive
Either turn it off (not recommended for long-term) or click . Add prototype2.exe to the allowed list. 3. Clear Corrupt Profile Data
This fix appears in nearly every thread regarding the "Failed to save data" error.
The easiest fix comes down to permissions. Summary Checklist If you are seeing the "Failed
Testing plan
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Corrupted or missing installation files can disrupt the internal saving mechanics of the game. Launch and navigate to your Library . Right-click on Prototype 2 and select Properties . Choose the Installed Files (or Local Files ) tab. Click Verify integrity of game files . Either turn it off (not recommended for long-term) or click
Modern multi-core CPUs and updated OS architectures confuse the game’s dated engine. Step-by-Step Fixes for the Save Error
Windows Security blocks the game from creating save files in the Documents folder.
Right-click on the prototype2.exe executable file (found in your game installation folder). Select and navigate to the Compatibility tab. Check the box next to Run this program as an administrator . Click Apply and then OK . 2. Configure Controlled Folder Access (Windows Defender)