Windows 7 has a few tools you can use to peek at programs and services that run automatically at startup or logon, most notably the System Configuration utility, Msconfig. But that built-in tool pales in comparison to the undisputed heavyweight champion of the category.
This utility, which has the most comprehensive knowledge of auto-starting locations of any startup monitor, shows you what programs are configured to run during system bootup or login, and shows you the entries in the order Windows processes them. These programs include ones in your startup folder, Run, RunOnce, and other Registry keys. You can configure Autoruns to show other locations, including Explorer shell extensions, toolbars, browser helper objects, Winlogon notifications, auto-start services, and much more. Autoruns goes way beyond the MSConfig utility bundled with Windows Me and XP.
Read more and download at: http://technet.microsoft.com/en-us/sysinternals/bb963902.aspx