QuickBooks Error 15276 can stop payroll updates but doesn’t necessarily mean data loss. The error usually appears due to incomplete installation files or expired payroll subscription. Users can fix it by repairing QuickBooks, updating payroll manually, and validating subscription information. It’s best to back up your QuickBooks company file before troubleshooting to avoid risks. Running QuickBooks as administrator and checking system permissions are also crucial. Regular updates and backups protect your business data against future disruptions.