Facing errors in the leading software like QuickBooks is never a good experience and the same happens with QuickBooks error code 15106. This is a payroll update error that prevents the users from updating any version of the QuickBooks desktop. The problem can be dealt with by taking a few specific measures. Firstly, you must uninstall the spy sweeper program from the computer. For that, Locate the SpySweeper.exe in task manager, click add or remove programs and then select uninstall. You may also try to login as an administrator if you didn’t. Lastly, if nothing works then reset the update to eliminate QuickBooks error 15106.