Gnome apps won't open for user, but will for admin

Página Principal
Anexos:
Mensagem como email
+ (text/plain)
Apagar esta mensagem
Responder a esta mensagem
Autor: Mark Berkwitt
Data:  
Assunto: Gnome apps won't open for user, but will for admin
If I long on as a user, I can't open,
Gnumeric,
Gnome-Toaster,
Gnome-Card,
Gnome-TimeTracker,
Gnome-Cal.

Need I go on?
However, if I long on as an administrator, I can.
How can I fix this?