If you're asking, "What is QuickBooks Error PS036 and how do I fix it? ", this payroll update error usually occurs when QuickBooks cannot verify your payroll subscription or download the latest payroll tax table. Verify your payroll subscription, update QuickBooks Desktop, install the latest payroll updates, and use QuickBooks Tool Hub if needed. For additional informational guidance, assistance is available at 1-866-513-4656.