Autoruns See what programs are configured to startup automatically when your system boots and you log in. Autoruns also shows you the full list of Registry and file locations where applications can configure auto-start settings.
Process Explorer Find out what files, registry keys and other objects processes have open, which DLLs they have loaded, and more. This uniquely powerful utility will even show you who owns each process.
PsExec Execute processes with limited-user rights.