QuickBooks Error PS077 may prevent QuickBooks Desktop from downloading or installing payroll updates successfully. The problem can result from an outdated QuickBooks release, damaged update files, payroll subscription issues, or network connectivity problems. To troubleshoot, verify your payroll subscription, update QuickBooks Desktop, check your internet connection, and retry the latest payroll tax table download. Reviewing payroll settings and repairing update components may also help. For assistance with QuickBooks Error PS077 and payroll update issues, call +1(866)-513-4656.