QuickBooks Error 12057 is a connectivity issue that prevents QuickBooks from accessing the internet, leading to failed software updates and payroll processing errors. This issue is often caused by incorrect network settings, firewall restrictions, SSL certificate misconfigurations, or outdated QuickBooks versions. Common symptoms include update failures, error messages, and restricted online services. To fix this error, check your internet connection, adjust firewall and antivirus settings, enable SSL in Internet Options, and update QuickBooks. If the problem persists, expert assistance is recommended. Call 1-800-223-1608 for QuickBooks Error 12057 Support and get 24/7 expert help to resolve the issue quickly.