QuickBooks accounting software has created a lot of buzz in the accounting industry, especially in the recent few years. This software is known for its amazing features and functionalities, but all these plus points cannot hide the fact that the QuickBooks software is prone to certain errors. One such error is QuickBooks Update Error 15106. This error code is usually seen at the time of updating the QuickBooks software. It also indicates that the update program has been damaged. This is a payroll update error, which can trouble you at large.