Help Please - Start Menu Programs Not Displayed

I have several Start Menu program groups (Accessories being one) that do not
show in my list of Programs when I click the Start button. However I can see
them if I right click All Programs and select Open All Users. I can't
determine why they are not listed when I click the Start button. One
interesting piece of info is that the icon for Accessories in
StartMenu\Programs has what appears to be two ?? marks or two tiny people
attached to the icon. How can I determine and correct the
problem so all my groups appear in the Start Menu? Thank you

Most of the start menu accessories icons are system files. SFC is probably
the fastest way to rebuild those.
Some Windows Vista functions may not work, or Windows Vista may stop
responding: http://support.microsoft.com/kb/929833

The message I received back is...
Windows Resource Protection did not find any integrity violations.

Where might I turn for other suggestions. I cannot see my Accessories,
Maintenance and Startup Groups when I click the Start button. How can I
determine why and find a why to display the groups?