When the CPS folder is corrupted or contains an invalid file, payroll changes are not possible, resulting in QuickBooks Error PS033. You may be prevented from receiving updates or using the payroll service due to this problem. In order to fix it, you usually need to update QuickBooks, rename the CPS folder, and confirm the payroll subscription information. Need assistance with QuickBooks? In order to chat with an expert, dial 1.855.738.2784.