The development team identified two primary contributing factors to the failure:
Right-click the on your desktop (or the prototype2.exe file in your installation directory). Select Properties . Navigate to the Compatibility tab. Check the box next to Run this program as an administrator . Click Apply and then OK . Launch the game and attempt to save. 2. Configure Windows Controlled Folder Access prototype 2 failed to save data fix
5.3 Silent failures due to unhandled promise rejections Check the box next to Run this program as an administrator
: Click Add an allowed app and choose Browse all apps . In the tab
: Right-click prototype2.exe , select Properties , and go to the Compatibility tab.
In the tab, check Run this program as an administrator .
| Test Case | Expected Result | Actual Result | Status | | :--- | :--- | :--- | :--- | | | Save file created in AppData | File created successfully | PASS | | Overwrite Save | Existing file updated with new stats | Stats updated correctly | PASS | | Load Game | Data persists after app restart | All variables loaded correctly | PASS | | Permission Fail | Error message shown if path is read-only | UI Alert triggered | PASS |