Prototype 2 Failed To Save Data Fix Extra Quality -

5.4 Transaction scope and connection pool exhaustion

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.

Services like OneDrive or Dropbox automatically lock or move the save folder while the game actively tries to write to it. Step-by-Step Fixes for the Save Data Error

Grants necessary permissions to create and modify save files. prototype 2 failed to save data fix

const insert = await client.query('INSERT INTO records (...) VALUES (...) RETURNING id, ...', [...]); await client.query('INSERT INTO idempotency (key, record_id) VALUES ($1, $2)', [key, insert.rows[0].id]); await client.query('COMMIT'); return res.status(201).json(insert.rows[0]); catch (err) await client.query('ROLLBACK'); console.error(err); return res.status(500).json( error: 'internal' ); finally client.release();

Last updated: April 2026. Works for all versions of Prototype 2 on Windows 10/11, Steam Deck, and older OS.

Windows Defender blocks the game from writing files to your user profile directory. Services like OneDrive or Dropbox automatically lock or

Fixes were implemented in three tiers: immediate hotfixes, short-term robust changes, and long-term architectural improvements.

Method 2: Resolve Microsoft OneDrive Synchronization Conflicts

Delete config.cfg from Documents\Activision\Prototype 2\ . The game will recreate it. Works for all versions of Prototype 2 on

Steam Cloud can sometimes conflict with local saves, leading to errors. Temporarily disabling it can resolve this.

C:\Users\[YourUsername]\Documents\Activision\Prototype 2\

In 90% of reported cases, the error is caused by a missing legacy DirectX component.

Look for a folder named . If it does not exist, right-click, select New > Folder , and name it Activision . Open the Activision folder.