Understanding What Causes QuickBooks Error 12157 QuickBooks Error 12157 typically appears due to issues with internet settings or connectivity problems related to Microsoft WinINet API. It usually occurs during payroll or software updates. The problem may stem from incorrect system date or time, firewall settings, or interference from third-party security applications. Fixing this error requires checking your system configurations and ensuring that QuickBooks can access the internet securely without restrictions. ---- https://hackmd.io/@alastormoody/quickbooks-error-12157