Clean Up Windows Context Menu (Right Click Menu)

 SysInternals Autoruns

http://technet.microsoft.com/en-us/sysinternals/bb963902.aspx

nirsoft.net ShellExView from
http://www.nirsoft.net/utils/shexview.html

nirsoft.net ShellMenuView
http://www.nirsoft.net/utils/shell_menu_view.html