How to enable/disable auto-updates in Plesk panel
Step 1: Log in to the Plesk panel interface.
Step 2: Go to Tools & Settings and select Update Settings under the Plesk menu.
Step 3: To enable or disable by using the following options.
1. Automatically install Plesk updates
2. Automatically install updates for third-party components shipped by Plesk
3. Automatically install system package updates.
4. Enable safe updates for system packages.
Step 4: Finally click OK or Apply to save the changes.