When downloading the most recent payroll updates, QuickBooks Error PS101 appears because of faulty files, out-of-date software, or improper system settings. Users are unable to access updated tax tables and payroll functions because of this problem. In order to ensure seamless payroll processing, troubleshooting include upgrading QuickBooks, fixing installation files, and making sure there is adequate internet connectivity. If you need help with QuickBooks, contact 1.855.738.2784 to talk to a professional.