Why is my QuickBooks Payroll update failing?
https://quickbookhelpdesk.com/blog/why-is-my-quickbooks-payroll-not-updating/
This may happen because of an unstable internet connection, outdated QuickBooks software, incorrect payroll settings, damaged program files, or security software restrictions. If your QuickBooks Payroll is not updating, the issue is often related to internet connectivity, outdated QuickBooks software, incorrect payroll settings, damaged program files, security software restrictions, or temporary system errors. Fortunately, most update problems can be resolved by checking your internet connection, updating QuickBooks, reviewing payroll settings, restarting your computer, and repairing the software if necessary.