QuickBooks Error PS077 is an annoying payroll update error encountered by many QB users while downloading QuickBooks Payroll. Despite the fact QuickBooks is the most successful accounting software worldwide, users are prone to this error. In addition, QuickBooks Error PS077 can also be encountered in the error code PS032, interposing your payroll updates. Therefore, for rectifying this technical error, we will be employing some troubleshooting methods.