QuickBooks Error PS077 occurs during payroll updates when the software fails to verify license information or encounters corrupted tax table files. This payroll error can stop processing and delay paychecks. To resolve, re-register QuickBooks, update the tax table again, and ensure your subscription is valid. Damaged company files or improper installation can also trigger PS077. Our easy methods will help you fix payroll update issues quickly. If QuickBooks Error PS077 continues to block payroll updates in your system, call +1-866-408-0444 for targeted solutions that restore payroll processing immediately.