When payroll updates are downloaded, QuickBooks Error PS077 happens because of corrupted software, inaccurate tax table files, or registration problems.  It might also be the result of corrupted company files or an out-of-date version of QuickBooks. To ensure seamless payroll processing, fix issues, update software, fix installations, or restore a backup. Our QuickBooks Experts team can be reached at 1.855.738.2784.