Data Fix //top\\ — Prototype 2 Failed To Save

Launch the game, create a new save file, and re-enable Steam Cloud later if the issue resolves. 4. Fix OneDrive Folder Redirection

Modern Windows environments treat Program Files as a protected system directory. When the game attempts to write a save file (e.g., slot1.sav ) to a folder inside Program Files , the User Account Control (UAC) blocks the write operation. The game engine does not possess the exception handling to request elevated permissions; it simply detects the write failure and throws the generic "Failed to save data" error.

Windows’ ransomware protection often blocks older games.

Look at the bottom of the tab for the Attributes section. prototype 2 failed to save data fix

Before diving into fixes, understand the root causes. The issue is rarely a bug in your copy of the game but rather a :

const handleSubmit = async (form) => if (isSubmitting) return; setIsSubmitting(true); const idempotencyKey = uuidv4(); try const res = await axios.post('/records', form, headers: 'Idempotency-Key': idempotencyKey ); showSuccess(res.data.id); finally setTimeout(() => setIsSubmitting(false), 500);

The fix underwent a rigorous QA cycle to ensure stability. Launch the game, create a new save file,

Sign out of or disable OneDrive syncing for your "Documents" folder while playing.

Sometimes, Steam Cloud itself can be the problem. If it's trying to sync a corrupted or conflicting save file, it can prevent the game from saving new progress.

Which you are currently running (Windows 10 or 11)? If you are using OneDrive to sync your Documents folder? When the game attempts to write a save file (e

Uncheck the box next to .

Some players also find success by checking . 4. Windows Defender "Controlled Folder Access"

Third-party antivirus programs (such as Avast, Bitdefender, or Kaspersky) frequently flag older games attempting to write save data as suspicious activity. Open your specific antivirus user interface.

This is universally the first and most successful fix to try. The game creates a settings file ( profile.bin ) that can become corrupt. Deleting it forces the game to recreate a clean version.