How to fix QuickBooks error 15215?

https://quicklybookonline.com/blog/quickbooks-error-15215-explained/

QuickBooks is widely used by businesses to manage accounting, payroll, invoicing, taxes, and financial reporting. To keep the software secure and functioning properly, QuickBooks regularly releases updates that include new features, bug fixes, and payroll improvements. However, users may sometimes encounter QuickBooks Error 15215 while downloading or installing these updates.