If the QuickBooks payroll update isn't working, check to see if you have a working internet connection and a valid payroll subscription. Clear update data, turn off the QuickBooks payroll not updating, firewall and antivirus software, then try a manual update. Read the entire blog and follow all the instructions if the problem persists. If not, call +1(855)-738-0359 to speak with QuickBooks support for assistance with troubleshooting.