QuickBooks Payroll Tax Table Not Updating" refers to an issue where the payroll software's tax table, which contains the latest tax rates and calculations, fails to refresh to the current version. This can lead to incorrect tax withholdings and calculations, affecting payroll accuracy. Common causes include internet connectivity issues, outdated software versions, or administrative permission restrictions. Resolving this typically involves checking internet connections, updating QuickBooks, and ensuring proper user permissions to apply updates. For persistent issues, consult QuickBooks support or a certified professional for assistance at 1.855.526.5749.