The QuickBooks Diagnostic Tool is a specialized utility developed by Intuit, the company behind QuickBooks, to help users identify and resolve issues that may be hindering the optimal performance of their QuickBooks software. Whether you're encountering errors during installation, network connectivity problems, or issues with data file corruption, this tool is designed to diagnose and rectify a wide array of issues effectively. https://qb.support/quickbooks-install-diagnostic-tool/