Open File Explorer and navigate to your main folder.
Select , then scroll to Controlled folder access . Click Allow an app through Controlled folder access .
Prototype 2 (P2) was an early-stage client application designed to collect user input and persist it to a backend datastore. After deployment to a pilot group, users reported that some records were not saved. This paper presents a reproducible debugging workflow, the technical causes discovered, the patches applied, test results, and process improvements to prevent recurrence. prototype 2 failed to save data fix
If your Windows user profile name contains symbols, spaces, or non-English characters (e.g., á, ö, ñ, Cyrillic), the game engine may crash or fail to save. If this applies to you, creating a new local Windows Administrator account using only standard English letters will fix the issue. Manually Create the Save Folder
Turn off syncing for the Documents folder to force Windows to use local storage directories. 5. Verify Steam Game Files Open File Explorer and navigate to your main folder
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Third-party antivirus suites (such as Avast, Bitdefender, or McAfee) often block older games from creating or changing files. Open your specific antivirus user interface. Locate the , Exceptions , or Exclusions menu. Prototype 2 (P2) was an early-stage client application
Windows Security protocols frequently block older executables from writing new files to the primary C: drive. Granting administrative privileges allows the game to bypass these write restrictions.