The Payroll Error 15221 occurs when you try to download or install the latest software updates. The error is typically caused by incorrect internet explorer configuration. It occurs when QuickBooks attempts to verify the digital signature of downloaded files. In this article, we have provided the causes of the QuickBooks error code 15221 and steps to resolve it.
Causes of QuickBooks Error Code 15221
- There was an issue with the configuration of Internet Explorer.
- The browser cannot handle the digital signatures being used effectively.
- The security program and firewall settings on the system are blocking the installation of QuickBooks updates.
- The QuickBooks data files have been damaged.
