QuickBooks Error PS036 occurs when there are issues with the payroll service. This error can be triggered by various factors, including incorrect service key, invalid or inactive payroll subscription, or corrupted company files. To resolve this error, ensure your payroll subscription is active and the service key is correctly entered. Additionally, verify your company file for data integrity and update QuickBooks to the latest release. If the problem persists, contact QuickBooks support for further assistance to prevent payroll processing delays. Explore further information here -

https://techcommunity.microsoft.com/t5/windows-11/what-troubleshooting-steps-can-resolve-quickbooks-error-ps036/m-p/4147223