A user will receive an error message "Error 15106" whenever they try to update QuickBooks or payroll due to error 15106 in QuickBooks. Steps to Resolve quickbooks update error 15106:- 1- The first step is to log in with an administrator account on your computer 2- The second step is to reset QuickBooks updates 3- The third step is to repair the QuickBooks Desktop installation 4- The fourth step is to remove WebRoot Spyware Sweeper 5- The fifth step is to rename the QuickBooks Update Folder after you have disabled your antivirus software 6- The sixth step is to disable User Account Control (UAC) in Windows settings 7- The 7th step is to reinstall QuickBooks using QuickBooks Clean Install Tool in Windows Safe Mode.