QuickBooks is efficient accounting software that was introduced to meet your business needs. However, bugs and errors are an integral part of every software. You may encounter QuickBooks error 15106 while using QuickBook. This is a common problem that occurs due to update issues. The message indicates that the update program has become corrupted. If you are using QuickBooks Payroll and are not attempting to update, you may encounter QuickBooks update error 15106. Many QuickBooks users around the world are struggling with the QuickBooks Payroll-related issue. You cannot update QuickBooks and receive error 15106. QuickBooks has consistently amazed users with its remarkable features. However, QB also has certain limitations and issues, and one of those issues is error code 15106.