QuickBooks Error 12057 is a network-related issue that prevents QuickBooks from connecting to the internet, causing failed updates and payroll service disruptions. This error typically occurs due to incorrect network settings, firewall restrictions, or SSL configuration issues. Symptoms include update failures, error messages, and restricted online functionality. To resolve it, check your internet connection, adjust firewall and antivirus settings, enable SSL in Internet Options, and ensure QuickBooks is updated. If the issue persists, expert assistance is recommended. Call 1-800-223-1608 for QuickBooks Support and get 24/7 professional help to quickly fix Error 12057 and restore smooth operations.