Prototype 2 Failed To Save Data Fix Exclusive [exclusive] Link

Check the box that says . Click Apply and then OK . 3. Change Compatibility Mode Settings

Check the box that says Click Apply , then click OK .

Windows Defender features a security tool called Controlled Folder Access. This tool stops unknown applications from writing files to your standard Documents directory—which is exactly where Prototype 2 tries to place its save data.

Click , choose "Apply changes to this folder, subfolders, and files," and hit OK . Fix 3: Force Administrator and Compatibility Permissions prototype 2 failed to save data fix exclusive

Prototype 2 remains a beloved open-world action game, but its PC port is notorious for technical glitches, most notably the dreaded error. This issue often corrupts progress or prevents saving entirely, forcing players to replay sections.

. 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

Look for a file named profile.bin and delete it (or move it to your desktop as a backup). Check the box that says

The error on modern Windows PCs happens because the game cannot write files to your drive due to Windows security blocks, multi-core CPU conflicts, or restricted user permissions. This issue completely prevents you from saving your campaign progress, forcing you to restart from scratch every time you boot the game.

Steam or OneDrive locks the save file while the game tries to write to it.

Alternatively, use a Steam Launch Shortcut to automate this: cmd /C start "steam" /affinity 0xff "C:\Program Files (x86)\Steam\steam.exe" . 4. Local User Account Workaround Change Compatibility Mode Settings Check the box that

: Check the box for Run this program as an administrator . Apply changes : Click Apply and then OK . Adjust Windows Defender Settings

If this folder is write-protected by Steam or UAC, the game fails silently.