

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.
Methods to fix QuickBooks Error Code 15221
Checkout these DIY methods in order to rectify the QuickBooks error code 15221:
Method 1: Start by performing a QuickBooks clean install using the provided tool
● Firstly, uninstall the QuickBooks program completely from your computer and ensure that there are no leftover files or folders associated with it.
● Next, reinstall the QuickBooks software on your system.
● After the installation is complete, restart your computer.
● This entire process is known as a clean install of QuickBooks, which may help resolve the issue at hand.
Method 2: Update Internet Explorer to the latest version
● Open Internet Explorer on your computer.
● Click on the "Tools" icon and select the "Internet Options" tab.
● Go to the "Security" section and click on the "Trusted Sites" icon.
● Click on the "Sites" button and add the following websites: QuickBooks.com and Intuit.com
● Close the dialog box.
● Now, click on the "Apply" button followed by the "OK" button.
● Finally, close all windows and programs.





