Windows often blocks the game from writing to the Documents folder.
By following these steps, you should be able to resolve the Prototype 2 saving issues and enjoy the game without losing progress. Let me know: Are you playing on or another platform? Are you getting a specific error code ? What Windows version are you on? I can provide more specific steps if these don't work!
Below is a comprehensive guide to the most effective community-proven fixes for the Prototype 2 save bug. 1. Allow Through "Controlled Folder Access" prototype 2 failed to save data fix
Diagnosing and Resolving Critical Save Data Failures in Prototype 2: A Technical Analysis of the 'Failed to Save Data' Error
Look for a folder named . If it does not exist, right-click, select New > Folder , and name it Activision . Windows often blocks the game from writing to
Delete config.cfg from Documents\Activision\Prototype 2\ . The game will recreate it.
app.post('/records', async (req, res) => const key = req.header('Idempotency-Key'); const client = await db.connect(); try await client.query('BEGIN'); const existing = await client.query('SELECT record_id FROM idempotency WHERE key = $1', [key]); if (existing.rowCount) const record = await client.query('SELECT * FROM records WHERE id = $1', [existing.rows[0].record_id]); await client.query('COMMIT'); return res.status(200).json(record.rows[0]); Are you getting a specific error code
Ultimate Guide to Fixing Prototype 2 "Failed to Save Data" Error
7.2 Server: idempotency handling (pseudo-code)
Create a new folder here and name it exactly: Activision