QuickBooks error code 15222 is basically related to the payroll service. This might disturb the user while he/she is in the middle of downloading a payroll or updating QuickBooks desktop. This error might allow the user to access the company file, but might not allow to update the QuickBooks software. This error is seen in QuickBooks desktop 2016, 2017, 2018, and later versions. We will be discussing about the causes and fixes of the QuickBooks error 15222 later in this post.