QuickBooksInstallDiagnosticTool is a software product for Windows developed by Intuit
It is reported that the following Windows processes are part of QuickBooksInstallDiagnosticTool:
If you want to remove QuickBooksInstallDiagnosticTool from your computer, just go to Start > Control Panel > Add/Remove programs and select QuickBooksInstallDiagnosticTool from the list of programs.