With an active subscription to QuickBooks Desktop Payroll, one can delegate the challenging process of calculating wages and payroll taxes to QuickBooks, who will do it for you automatically by gathering employee data from the Desktop software. The user is accountable for updating the tax table and QuickBooks Desktop application as well as entering accurate employee data to ensure accurate tax calculation. Getting an inaccurate wage or payroll tax amount could occur for a number of reasons. We'll focus on fixing QuickBooks payroll is not calculating taxesin this article.