At times, users might end up with QuickBooks Error Code 15106 when they attempt to update the QB Desktop program as per the most recently launched version. Follow the easy and straightforward way to deal with the error in the least time possible. 

• Firstly, to turn off the User account control in Windows 10, 8.1, 8.0, and 7, access the Control Panel. 

• Go to User Accounts > User Accounts (Classic View) > Change user account control settings. 

• Then move the slider window to Never Notify and click OK to switch UAC OFF.

• Further, move the slider window to Always Notify and click OK to switch UAC ON.

• Reboot your PC.

Hopefully, we assure you that the solution mentioned above will help you tackle QuickBooks Error 15106. For any additional assistance regarding the error, place a call at the support number +1-855-738-0359.