Fixing QuickBooks Payroll Error 15241: A Complete Guide. QuickBooks Payroll Error 15241 is commonly caused by a disabled File Copy Service, outdated software, or misconfigured firewall settings. Start by enabling the File Copy Service in Windows Services, ensuring QuickBooks is updated to the latest release. Check your firewall settings to make sure QuickBooks is not blocked. If the error continues, a fresh installation of QuickBooks can resolve any issues preventing payroll updates. https://medium.com/@quickbooksintuitblogs/quick-solutions-to-fix-payroll-error-15241-in-quickbooks-df0c61930c8d