QuickBooks users often encounter various errors and technical issues while working on the accounting program, or when updating the program to newer versions. These errors seem to be inexplicable and lead to unnecessary delays in work submission. Payroll Error 15102 is one such error, belonging to Error 15xxx series of error codes generally observed when installing or updating QuickBooks. This comprehensive article aims to address QuickBooks Error 15102, and also sail readers through a gist of the various causes and symptoms associated with this error. So, keep reading! Main Causes of QuickBooks Error 15102 Some of the major causes of this update error 15102 in QuickBooks desktop are: · Poor internet connectivity when updating QuickBooks. · Incorrectly configured internet settings. · Running QuickBooks in the multi-user mode. · Incorrect download URL when the option to share downloads is enabled. · Insufficient user privileges, such as not being logged in as a Windows administrator or not running the program as an administrator.