QuickBooks Error 15102 happens when users attempt to download payroll updates and either the file path is erroneous or the shared download option is set incorrectly.  When QuickBooks is not running with administrator privileges or when there are multiple users, this problem usually shows up. Running as administrator and adjusting the parameters are necessary to fix it. Need assistance with QuickBooks?  In order to chat with an expert, dial 1.855.738.2784.